Update .NET runtime to 10.0.9 to fix CVE-2026-45491#40883
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benhillis merged 2 commits intoJun 23, 2026
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Bumps Microsoft.NETCore.App.Runtime.win-x64 and win-arm64 from 10.0.8 to 10.0.9 to address CVE-2026-45491 (.NET tampering vulnerability), reported by Dependabot. Both runtime packages are bumped together to keep the .NET runtime version in sync across architectures. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Pull request overview
This PR updates the pinned .NET runtime packages used by the repo’s native build tooling to remediate CVE-2026-45491 by moving from .NET runtime 10.0.8 to 10.0.9 for both supported Windows architectures.
Changes:
- Bump
Microsoft.NETCore.App.Runtime.win-x64from10.0.8→10.0.9. - Bump
Microsoft.NETCore.App.Runtime.win-arm64from10.0.8→10.0.9to keep architecture versions in sync.
OneBlue
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Jun 23, 2026
benhillis
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June 23, 2026 22:02
JohnMcPMS
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OneBlue
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Bumps Microsoft.NETCore.App.Runtime.win-x64 and win-arm64 from 10.0.8 to 10.0.9 to address CVE-2026-45491 (.NET tampering vulnerability), reported by Dependabot. Both runtime packages are bumped together to keep the .NET runtime version in sync across architectures. Co-authored-by: Ben Hillis <benhill@ntdev.microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> (cherry picked from commit 73a6afb)
benhillis
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Jul 23, 2026
* Bump Microsoft.NETCore.App.Runtime to 10.0.8 (CVE-2026-32175) (#40581) Fixes Dependabot alerts #24 and #25. Co-authored-by: Ben Hillis <benhillis@microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> (cherry picked from commit 09a8afe) * Update MSRDC to 1.2.7214 to fix CVE-2026-32157 (#40882) Bumps Microsoft.RemoteDesktop.Client.MSRDC.SessionHost from 1.2.6676 to 1.2.7214. This closes CVE-2026-32157 (a use-after-free RCE in the Remote Desktop client, first fixed in 1.2.7099) along with several additional CVEs shipped in 1.2.7214. Fixes #40868 Co-authored-by: Ben Hillis <benhill@ntdev.microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> (cherry picked from commit 2a7269e) * Update .NET runtime to 10.0.9 to fix CVE-2026-45491 (#40883) Bumps Microsoft.NETCore.App.Runtime.win-x64 and win-arm64 from 10.0.8 to 10.0.9 to address CVE-2026-45491 (.NET tampering vulnerability), reported by Dependabot. Both runtime packages are bumped together to keep the .NET runtime version in sync across architectures. Co-authored-by: Ben Hillis <benhill@ntdev.microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> (cherry picked from commit 73a6afb) --------- Co-authored-by: Ben Hillis <benhillis@microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: Ben Hillis <benhill@ntdev.microsoft.com>
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Summary
Bumps
Microsoft.NETCore.App.Runtime.win-x64andMicrosoft.NETCore.App.Runtime.win-arm64from 10.0.8 to 10.0.9 inpackages.config.This addresses CVE-2026-45491 (.NET tampering vulnerability), flagged by Dependabot alert #26. The vulnerability affects .NET runtime
>= 10.0.0, <= 10.0.8and is first patched in 10.0.9.Both the x64 and arm64 runtime packages are bumped together to keep the .NET runtime version consistent across architectures. Both versions are available on the build feed.