Microsoft Windows 11 23H2 Update Version OS Build 22621.7652
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Update Summary
KB5126653 for Windows 11 version 23H2 delivers security fixes, Secure Boot certificate deployment, time-zone updates, and fixes for File History and tiered Storage Spaces Direct virtual disks.
Update Details
Security
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Bug Fixes
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New Features
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Hints
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Product Information
Vendor: Microsoft
Product: Windows 11
Product type: Software
Application category: Utilities
Platform: Windows
Variant: 23H2
Version: OS Build 22621.7652
Vendor information published: Oct 13, 2026
Original release notes: View on vendor site
Published on updatealert.io: Oct 14, 2026
Description: Client operating system for modern desktop and enterprise environments.