Microsoft Windows 11 25H2 Update Version OS Builds 26200.9168 and 26100.9168
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Update Summary
KB5121003 updates Windows 11 25H2 with security improvements and expanded Secure Boot certificate deployment coverage. It also includes servicing stack update KB5123304 and AI component updates. Reference IDs: KB5101684, KB5121767, KB5101650.
Update Details
Security
- Provides security improvements for Windows 11.
- Includes additional high-confidence device targeting data to expand deployment of new Secure Boot certificates.
Bug Fixes
- Includes improvements from KB5101684, KB5121767, and KB5101650.
- Updates the servicing stack with KB5123304 to improve the reliability of the Windows Update installation process.
Hints
- If previous updates are already installed, only the new updates in this package will be downloaded and installed.
- AI components are updated to version 1.2605.856.0 for Image Search, Content Extraction, Semantic Analysis, and Settings Model.
- Windows 11, version 24H2 Home and Pro editions reach end of updates on October 13, 2026.
Product Information
Vendor: Microsoft
Product: Windows 11
Product type: Software
Application category: Utilities
Platform: Windows
Variant: 25H2
Version: OS Builds 26200.9168 and 26100.9168
Vendor release date: Aug 11, 2026
Original release notes: View on vendor site
Published on updatealert.io: Aug 12, 2026
Description: Client operating system for modern desktop and enterprise environments.