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 fixes a March 2026 preview update installation error (0x80073712) and includes prior quality improvements plus servicing stack updates. Reference IDs: KB5079391, KB5079473, KB5085516, KB5079387.
Update Details
Bug Fixes
- Fixed an installation issue affecting some devices installing the March 2026 preview update KB5079391, including error
0x80073712. - Includes cumulative quality improvements from KB5079473, KB5085516, and KB5079391.
Known Issues
- Microsoft is not currently aware of any issues with this update.
Hints
- Offered through Windows Update only to devices that already installed KB5079473 or a later update.
- Also available for manual download from the Microsoft Update Catalog.
- IT administrators using Microsoft Intune or Windows Autopatch should follow Microsoft guidance for expedited deployment.
- Includes a Windows 11 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.