Microsoft says Windows 11 KB5120998 update resets mouse settings
Overview
Microsoft has acknowledged a problem with the KB5120998 update for Windows 11, released in August 2026. Users have reported that their mouse settings revert back to default after installing this non-security preview update. This issue affects a wide range of Windows 11 devices, potentially disrupting user experience as people may have customized their settings for better functionality. Microsoft has not provided a specific timeline for a fix, which means users will need to manually adjust their settings after each update until a solution is implemented. This situation highlights the importance of user feedback in identifying software issues that may not be critical but still impact usability.
Key Takeaways
- Affected Systems: Windows 11 systems affected by the KB5120998 update
- Action Required: Users need to manually reset their mouse settings after installing the KB5120998 update until a fix is released.
- Timeline: Disclosed on August 2026
Original Article Summary
Microsoft has confirmed that mouse settings are being reverted on Windows 11 systems after installing the KB5120998 August 2026 non-security preview update. [...]
Impact
Windows 11 systems affected by the KB5120998 update
Exploitation Status
No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.
Timeline
Disclosed on August 2026
Remediation
Users need to manually reset their mouse settings after installing the KB5120998 update until a fix is released.
Additional Information
This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.
Related Topics: This incident relates to Windows, Microsoft, Update, and 1 more.