Microsoft Windows 11 24H2 Update Version OS Builds 26200.8524 and 26100.8524

KB5089573 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also addresses the May 2026 installation failure error 0x800f0922 and includes Secure Boot certificate rollout updates. Reference IDs: KB5092734.

• Secure Boot certificate expiration preparation: adds higher-confidence device targeting for automatic delivery of new Secure Boot certificates and introduces the LimitSecureBootRequiredServiceData Group Policy/MDM setting to reduce Secure Boot service data sent to Microsoft.
• Windows Hello Enhanced Sign-in Security: reduces unexpected authentication blocks by resolving missing secure enrollment metadata.

• Fixes installation failures with error 0x800f0922 on devices with limited EFI System Partition free space.
• Improves Magnifier smoothness in lens mode and adds clearer screen reader announcements.
• Improves Task Manager visibility for NPU usage and fixes CPU speed display after VM resume from hibernate.
• Improves camera reliability and adds Group Policy control for Multi-App Camera and Basic Camera modes.
• Improves Windows setup by allowing a custom user folder name during setup.
• Improves app launch speed and shell responsiveness, including Start, Search, and Action Center.
• Improves personalization reliability for accent color selection and wallpaper persistence.
• Improves Windows Hello sign-in behavior and biometric service performance after Modern Standby.
• Improves Windows Search to find and prioritize files with as few as two characters.
• Improves storage UI behavior for Dev Drive sizing and delays the UAC prompt for temporary files until requested.
• Improves USB4 dock/display reliability, USB3 resiliency, sensor hub power handling, HID battery life, touch keyboard reliability, clipboard history performance, desktop shortcut loading, Microsoft Store download performance, and general system reliability.

• Shared Audio lets two people listen to the same audio from one Windows 11 PC using Bluetooth LE Audio broadcast.
• Task Manager adds optional NPU, NPU Engine, NPU memory, and Isolation columns for better AI and app-container visibility.
• Windows Setup now supports choosing a custom user folder name during setup.
• Secure Boot rollout improvements include new targeting data and the LimitSecureBootRequiredServiceData policy.

• Release phases are gradual rollout and normal rollout; feature availability may vary by device.
• The Secure Boot certificate expiration guidance recommends reviewing and updating certificates before June 2026 to avoid boot disruption.
• If earlier updates are installed, only the new updates in this package are downloaded and installed.
• The servicing stack update included is KB5092734-26100.8519.
• Microsoft states there are currently no known issues with this update.

Product Information

Vendor: Microsoft

Product: Windows 11

Version: OS Builds 26200.8524 and 26100.8524

Release date: May 26, 2026