Windows 11 · 23H2 · .NET Framework update

Cumulative Update for .NET Framework for Windows 11, version 23H2 - KB5120713 (22621.9343)

Windows 11 23H2: Home/Pro servicing ended November 2025

This is a .NET Framework package for Windows 11 23H2, not an operating-system build. Its history below lists other .NET packages on the 22621 base.

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AI summary

This cumulative update delivers security patches, bug fixes, and stability improvements for .NET Framework on Windows 11 version 23H2, strengthening reliability and performance.

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

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