Microsoft Windows 11 25H2 Update Version OS Builds 26200.8875 and 26100.8875

KB5101650 updates Windows 11 25H2 with security fixes, quality improvements, and non-security changes from prior preview releases. It also adds RDP certificate thumbprint guidance, curl 8.21.0, and servicing stack update KB5120102. Reference IDs: KB5094126, KB5095093.

• Addresses security vulnerabilities documented in the July 2026 Security Updates guide.
• Adds a security hardening change that enforces TDI transport registration requirements.
• Upgrades the Windows curl tool to version 8.21.0 with security improvements.
• Adds SHA-2 certificate thumbprint support for trusted RDP publishers and recommends migrating away from SHA-1.

• Fixes an issue where certain third-party apps using OLE Automation with Microsoft Office might fail to launch Office or open documents after KB5094126.
• Fixes additional scenarios where the Recycle Bin confirmation dialog could show an internal file name instead of the original file name when permanently deleting a file.
• Changes hotkey unregister and cleanup behavior to reduce cases where built-in Windows experiences stop responding to certain keyboard shortcuts.

• Adds SHA-2 certificate thumbprint support for trusted RDP publishers.
• Introduces new guidance for managing RDP file security through Group Policy.
• Updates AI components to version 1.2605.856.0.

• The update is temporarily unavailable for some Dell devices using Intel Innovation Platform Framework (IPF) drivers due to an incompatibility.
• Applications using sockets over unregistered third-party TDI transports might stop working after installing this update.
• Some built-in Windows experiences may temporarily stop responding to certain keyboard shortcuts in rare cases.

• If previous updates are already installed, only the new changes in this package will be downloaded and installed.
• IT administrators should migrate RDP file thumbprints to SHA-256 or a stronger algorithm as soon as possible to avoid disruption.
• The release includes servicing stack update KB5120102 (Build 26100.8872) to improve Windows Update installation reliability.
• Windows 11, version 24H2 Home and Pro editions reach end of updates on October 13, 2026; Enterprise and Education editions remain supported until October 12, 2027.

• Servicing stack update guidance
  https://learn.microsoft.com/windows/deployment/update/servicing-stack-updates#simplifying-on-premises-deployment-of-servicing-stack-updates

Product Information

Vendor: Microsoft

Product: Windows 11

Product type: Software

Application category: Utilities

Platform: Windows

Variant: 25H2

Version: OS Builds 26200.8875 and 26100.8875

Vendor release date: Jul 14, 2026

Original release notes: View on vendor site

Published on updatealert.io: Jul 16, 2026

Description: Client operating system for modern desktop and enterprise environments.