Microsoft Windows 11 25H2 Update Version OS Builds 26200.7840 and 26100.7840
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Update Summary
KB5077181 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.7840 and 26100.7840. It includes the latest security fixes, prior non-security improvements, a WPA3-Personal connectivity fix, a gaming eligibility fix, and phased Secure Boot certificate rollout support.
Update Details
Security
- Includes the latest security fixes for Windows 11 version 25H2 and 24H2.
- Adds broad targeting data for phased delivery of new Secure Boot certificates to help ensure a safe rollout.
Bug Fixes
- Fixed an issue that affected device eligibility for the full-screen gaming experience.
- Fixed an issue that prevented some devices from connecting to certain WPA3-Personal Wi-Fi networks, which could occur after installing KB5074105.
Known Issues
- Microsoft is not currently aware of any issues with this update.
Hints
- This cumulative update includes fixes and quality improvements from KB5074109, KB5077744, and KB5078127.
- Windows quality updates now include targeting data to identify devices eligible to receive new Secure Boot certificates; devices receive them only after sufficient successful update signals.
- Secure Boot certificates used by most Windows devices are set to expire starting in June 2026, so administrators should review Microsoft guidance in advance.
- Windows Update does not include Microsoft Store app updates.
Product Information
Vendor: Microsoft
Product: Windows 11
Product type: Software
Application category: Utilities
Platform: Windows
Variant: 25H2
Version: OS Builds 26200.7840 and 26100.7840
Vendor release date: Feb 10, 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.