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Update Summary

KB5077241 is a non-security preview update for Windows 11 25H2 and 24H2, delivering quality, performance, and reliability improvements for OS Builds 26200.7922 and 26100.7922. It also adds new features such as built-in Sysmon, RSAT on Arm64, Secure Boot management cmdlets, and a taskbar network speed test. Reference IDs: KB5077371.

Update Details

Security

  • Built-in Sysmon is now available natively on Windows for threat detection and event logging.
  • Secure Boot rollout improvements add higher-confidence device targeting for new certificates and new PowerShell cmdlets: Get-SecureBootUEFI -Decoded and Get-SecureBootSVN.
  • Windows Secure Boot certificate expiration guidance is highlighted; certificates used by most devices begin expiring in June 2026.

Bug Fixes

  • Improved BitLocker reliability so devices no longer stop responding after entering the recovery key.
  • Improved sign-in screen reliability.
  • Improved Nearby Sharing reliability when sending larger files.
  • Improved Project menu reliability after pressing Windows logo key + P.
  • Improved Windows printing service performance to reduce slowdowns during high-volume printing.
  • Improved File Explorer reliability, including opening new windows and showing devices on the Network page.
  • Improved display wake-from-sleep reliability and resume performance under heavy load.
  • Improved Windows Update settings responsiveness.
  • Improved scanning performance for temporary files in Storage Settings.
  • Improved visual consistency across Windows, including the taskbar, Windows Security credential fields, and the print dialog.

New Features

  • Emoji 16.0 adds a curated set of new emojis in the emoji panel.
  • Windows Backup for Organizations now includes first sign-in restore for Microsoft Entra hybrid joined devices, Cloud PCs, and multi-user environments.
  • Quick Machine Recovery now turns on automatically for eligible non-domain-joined Windows Professional devices.
  • Taskbar and system tray now include a built-in network speed test.
  • Start menu account menu now includes a benefits page option.
  • Camera settings now support pan and tilt controls for supported cameras.
  • Desktop background can now use WebP (.webp) images.
  • Search on taskbar now shows result counts in group headers and supports hover preview.
  • Storage Settings dialogs have a more modern design.
  • RSAT is now supported on Windows 11 Arm64 devices.

Hints

  • Built-in Sysmon is off by default and must be enabled before use.
  • If Sysmon was installed from Sysinternals, uninstall it before enabling the built-in version.
  • Enable built-in Sysmon via Settings > System > Optional features > More Windows features, or with Dism /Online /Enable-Feature /FeatureName:Sysmon, then run sysmon -i.
  • RSAT on Arm64 is available as optional features through Settings > System > Optional Features or Control Panel > Programs > Turn Windows features on or off.
  • Secure Boot certificate updates are being rolled out gradually and devices receive new certificates only after sufficient successful update signals.
  • The update includes servicing stack update KB5077371 for OS build 26100.7911.
Product Information

Vendor: Microsoft

Product: Windows 11

Version: OS Builds 26200.7922 and 26100.7922

Release date: Feb 24, 2026