KB5094126: Overview with user sentiment and feedback

Overview

KB5094126 is a cumulative security update for Windows 11 versions 25H2 and 24H2, released on June 9, 2026 (OS Builds 26200.8655 and 26100.8655). This update incorporates the latest security fixes and quality improvements, including updates from the previous month's optional preview releases. The patch addresses multiple security vulnerabilities and includes updates to AI components for Copilot+ PCs.

General Purpose

• Security Updates: Addresses June 2026 security vulnerabilities with enhanced Secure Boot certificate coverage and device targeting
• Virtualization Fixes: Resolves Stop errors (HYPERVISOR_ERROR 0x20001 and KMODE_EXCEPTION_NOT_HANDLED 0x1E) that occurred after previous updates during system restarts and gaming applications
• Folder Customization Security: Implements security hardening for desktop.ini file processing, which may affect custom folder icons from remote sources
• DISM Tool Repair: Fixes error 0x800f0915 that prevented component store repair operations on some devices
• AI Component Updates: Includes updates to Image Search, Content Extraction, Semantic Analysis, and Settings Model components

General Sentiment

Community reception has been notably mixed to negative. While the update addresses important security vulnerabilities and fixes virtualization issues from previous updates, multiple users report significant functional problems post-installation. The most commonly reported issues involve OneDrive folder browsing failures in File Explorer (particularly with Group Policy applied), network connectivity problems affecting LAN access, and Office application launch failures from third-party applications. Users express frustration that the update reinstalls automatically despite uninstall attempts, and some report the update cannot be uninstalled at all. However, the security improvements and virtualization fixes represent legitimate quality enhancements.

Known Issues

• Microsoft Office applications might fail to open from certain third-party apps (affects Word, Excel, PowerPoint, Access; impacts applications like CCH Engagement, Workpaper Manager, Dentrix, Softdent, and Zotero) - resolved in KB5101650
• Deleting from Recycle Bin displays internal file name instead of original filename in confirmation dialog - addressed in KB5095093
• OneDrive folder in File Explorer becomes non-functional when Group Policy is applied; workaround involves disabling Group Policy or enabling UAC
• Network connectivity issues affecting LAN access on some systems
• Custom folder icons and localized folder names may not appear for content from downloaded or remote locations

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2026-07-25 07:28 PM

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