Microsoft Windows 11 25H2 Update Version OS Builds 26200.8117 and 26100.8117
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Update Summary
KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It includes prior quality improvements and fixes an installation error affecting KB5079391 (0x80073712). Reference IDs: KB5079473, KB5085516, KB5079387.
Update Details
Bug Fixes
- Fixed an installation issue where some devices could not install the March 2026 preview update KB5079391 and returned error
0x80073712. - Includes cumulative quality improvements from KB5079473, KB5085516, and KB5079391.
Hints
- Offered through Windows Update to devices that already installed KB5079473 or later, and also available from the Microsoft Update Catalog.
- IT administrators using Microsoft Intune or Windows Autopatch should follow Microsoft guidance for expedited deployment.
- Manual installation path: Settings > Windows Update > Download & install.
- Includes a servicing stack update: KB5079387 (26100.8112).
Product Information
Vendor: Microsoft
Product: Windows 11
Product type: Software
Application category: Utilities
Platform: Windows
Variant: 25H2
Version: OS Builds 26200.8117 and 26100.8117
Vendor release date: Mar 31, 2026
Original release notes: View on vendor site
Published on updatealert.io: Jun 3, 2026
Description: Client operating system for modern desktop and enterprise environments.