Microsoft.DiaSymReader.Native
Native implementation of PDB file reader and writer. Supported Platforms: - Windows x86 - Windows amd64 - Windows arm64
Activity
- Latest release
- 2mo ago
- Total releases
- 24
- Cadence
- ~3 months
- Last 12 months
- 1
Details
- First release
- Jul 26, 2015
| Version | Released | |
|---|---|---|
18.8.4-beta1.26356.2
pre
3 CVEs
CVE-2026-69522
GHSA-2j8r-3c22-8565
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when processing PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/439 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below Supported .NET Framework versions listed in the Microsoft Security Update Guide are also affected. Install the September 2026 .NET Framework security update applicable to a project's Windows version. .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once users have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-69439
GHSA-527h-q9f6-p7qx
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when parsing a Portable PDB file. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/438 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-71328
GHSA-63gh-g2x5-x69v
Sep 09, 2026
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Microsoft.DiaSymReader.Native can perform an out of bounds write while processing MSFZ PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/440 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev | ||
17.12.0-beta1.24603.5
pre
3 CVEs
CVE-2026-69522
GHSA-2j8r-3c22-8565
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when processing PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/439 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below Supported .NET Framework versions listed in the Microsoft Security Update Guide are also affected. Install the September 2026 .NET Framework security update applicable to a project's Windows version. .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once users have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-69439
GHSA-527h-q9f6-p7qx
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when parsing a Portable PDB file. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/438 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-71328
GHSA-63gh-g2x5-x69v
Sep 09, 2026
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Microsoft.DiaSymReader.Native can perform an out of bounds write while processing MSFZ PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/440 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev | ||
17.10.0-beta1.24272.1
pre
3 CVEs
CVE-2026-69522
GHSA-2j8r-3c22-8565
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69522 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when processing PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/439 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below Supported .NET Framework versions listed in the Microsoft Security Update Guide are also affected. Install the September 2026 .NET Framework security update applicable to a project's Windows version. .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once users have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-69439
GHSA-527h-q9f6-p7qx
Sep 09, 2026
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-69439 – .NET and Visual Studio Elevation of Privilege VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An out of bounds write can occur when parsing a Portable PDB file. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/438 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev
CVE-2026-71328
GHSA-63gh-g2x5-x69v
Sep 09, 2026
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution Vulnerability
8.8
/ 10
High
Network
Low
None
Required
Unchanged
High
High
High
Microsoft Security Advisory CVE-2026-71328 – .NET and Visual Studio Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in Microsoft.DiaSymReader.Native. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Microsoft.DiaSymReader.Native can perform an out of bounds write while processing MSFZ PDB files. AnnouncementAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/440 CVSS Details
Affected Platforms
Affected PackagesThe vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below .NET 11 RC1Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.10.0-beta1.24272.1, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 10Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 9Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 .NET 8Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.DiaSymReader.Native | >= 17.12.0-beta1.24603.5, <= 18.9.0-beta1.26405.1 | 18.9.0-beta1.26405.2 Advisory FAQHow do I know if I am affected?If using a package listed in affected packages, a project is exposed to the vulnerability. How do I fix the issue?
Once developers have installed the updated runtime, SDK, Visual Studio, or package, they should restart their apps in order for the update to take effect. Other InformationReporting Security IssuesIf users have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ. Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty. SupportUsers can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. Users can ask questions in the linked discussion issue. DisclaimerThe information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. External LinksAcknowledgements41ae55e9310ff27fa6f26af4727e5590 RevisionsV1.0 (09/08/2026): Advisory published. Fixed in
18.9.0-beta1.26405.2
References Updated Sep 09, 2026 · Source: OSV.dev | ||
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