September 2025 Patch Tuesday Releases for Windows 11 (KB5065426, KB5065431)

September 2025 Patch Tuesday Releases for Windows 11 (KB5065426, KB5065431)

Microsoft Releases September 2025 Patch Tuesday Updates for Windows 11

Microsoft has announced the rollout of its latest Patch Tuesday updates for Windows 11 versions 24H2, 23H2, and 22H2. Users can expect the updates to enhance system security and performance, with the 24H2 update labeled as KB5065426 and the 23H2 and 22H2 updates identified as KB5065431. After installation, the corresponding builds will be 26100.4946 for 24H2, 22631.5768 for 23H2, and 22621.5768 for 22H2.

What’s New in the Updates

Changelog for KB5065426

Highlights

  • This update addresses various security vulnerabilities in the Windows operating system.

Improvements

The September 2025 security update incorporates critical fixes and quality enhancements derived from KB5062660, which was previously released on July 22, 2025. Below are the notable issues resolved in this update:

  • [Authentication] Resolved: An issue that caused delays during the sign-in process on new devices, primarily attributed to specific preinstalled packages.

No Known Issues

Microsoft has confirmed that there are currently no known issues associated with these updates.

Installation Information

The updates are primarily available through Windows Update, where they should install automatically in most scenarios. For users seeking offline installation options, updates can be downloaded directly from the Microsoft Catalog. Access the updates using the following links:

Stay updated with the latest enhancements and security improvements for your Windows operating system.

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