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Windows 11 KB5121003 & KB5120240 cumulative updates released
Microsoft has announced the release of cumulative updates KB5121003 and KB5120240 for Windows 11 versions 25H2, 24H2, and 23H2. These mandatory updates aim to fix over 400 vulnerabilities discovered in previous months. The updates include significant enhancements to Windows Search, taskbar notifications, and voice recognition capabilities, enhancing usability and system performance. Notably, new features like improved app search handling for typos and updated controls for precision touchpads have been introduced. Users can expect a better experience with enhanced security measures and improved settings management.
Act nowConfidence: HighImmediate horizon
Published 11 Aug 2026, 18:50 UTC4 min read
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Summary
TL;DR
- New security updates address 400 vulnerabilities
- Enhanced Windows Search and app recognition features
- Taskbar notification badges updated to use accent colors
- Introduced voice isolation for better speech recognition
- New gesture controls for precision touchpads
Interesting facts
- This is the eighth Patch Tuesday release in 2026
- Windows Hello Enhanced Sign-in Security now includes peripheral fingerprint sensors
- New widgets experience simplifies Lock screen for new users