High severity7.8NVD Advisory· Published Aug 11, 2026· Updated Aug 14, 2026
CVE-2026-62909
CVE-2026-62909
Description
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Microsoft.NETCore.App.Runtime.linux-armNuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-arm64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-musl-armNuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-x64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.osx-arm64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.osx-x64NuGet | >= 10.0.0, < 10.0.11 | 10.0.11 |
Microsoft.NETCore.App.Runtime.linux-armNuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-arm64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-musl-armNuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-x64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.osx-arm64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.osx-x64NuGet | >= 9.0.0, < 9.0.19 | 9.0.19 |
Microsoft.NETCore.App.Runtime.linux-armNuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.linux-arm64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.linux-musl-armNuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.linux-x64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.osx-arm64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Microsoft.NETCore.App.Runtime.osx-x64NuGet | >= 8.0.0, < 8.0.30 | 8.0.30 |
Affected products
47cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*range: >=17.14.0,<17.14.38
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*range: >=18.8.0,<18.8.3
- osv-coords43 versionspkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:rpm/almalinux/aspnetcore-runtime-10.0pkg:rpm/almalinux/aspnetcore-runtime-8.0pkg:rpm/almalinux/aspnetcore-runtime-9.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-10.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-9.0pkg:rpm/almalinux/aspnetcore-targeting-pack-10.0pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0pkg:rpm/almalinux/aspnetcore-targeting-pack-9.0pkg:rpm/almalinux/dotnetpkg:rpm/almalinux/dotnet-apphost-pack-10.0pkg:rpm/almalinux/dotnet-apphost-pack-8.0pkg:rpm/almalinux/dotnet-apphost-pack-9.0pkg:rpm/almalinux/dotnet-hostpkg:rpm/almalinux/dotnet-hostfxr-10.0pkg:rpm/almalinux/dotnet-hostfxr-8.0pkg:rpm/almalinux/dotnet-hostfxr-9.0pkg:rpm/almalinux/dotnet-runtime-10.0pkg:rpm/almalinux/dotnet-runtime-8.0pkg:rpm/almalinux/dotnet-runtime-9.0pkg:rpm/almalinux/dotnet-runtime-dbg-10.0pkg:rpm/almalinux/dotnet-runtime-dbg-8.0pkg:rpm/almalinux/dotnet-runtime-dbg-9.0pkg:rpm/almalinux/dotnet-sdk-10.0pkg:rpm/almalinux/dotnet-sdk-10.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-8.0pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-9.0pkg:rpm/almalinux/dotnet-sdk-9.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-aot-10.0pkg:rpm/almalinux/dotnet-sdk-aot-9.0pkg:rpm/almalinux/dotnet-sdk-dbg-10.0pkg:rpm/almalinux/dotnet-sdk-dbg-8.0pkg:rpm/almalinux/dotnet-sdk-dbg-9.0pkg:rpm/almalinux/dotnet-targeting-pack-10.0pkg:rpm/almalinux/dotnet-targeting-pack-8.0pkg:rpm/almalinux/dotnet-targeting-pack-9.0pkg:rpm/almalinux/dotnet-templates-10.0pkg:rpm/almalinux/dotnet-templates-8.0pkg:rpm/almalinux/dotnet-templates-9.0pkg:rpm/almalinux/netstandard-targeting-pack-2.1
>= 8.0.0, < 8.0.30+ 42 more
- (no CPE)range: >= 8.0.0, < 8.0.30
- (no CPE)range: >= 8.0.0, < 8.0.30
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 8.0.130-1.el8_10
- (no CPE)range: < 8.0.130-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 8.0.130-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
- (no CPE)range: < 10.0.11-1.el8_10
- (no CPE)range: < 8.0.30-1.el8_10
- (no CPE)range: < 9.0.19-1.el8_10
- (no CPE)range: < 10.0.111-1.el8_10
- (no CPE)range: < 8.0.130-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
- (no CPE)range: < 9.0.120-1.el8_10
Patches
Vulnerability mechanics
References
5- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62909nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-9mr8-pwpw-3j2wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-62909ghsaADVISORY
- github.com/dotnet/announcements/issues/429ghsaWEB
- github.com/dotnet/runtime/security/advisories/GHSA-9mr8-pwpw-3j2wghsaWEB
News mentions
2- Patch Tuesday - August 2026Rapid7 Blog · Aug 11, 2026
- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026