Microsoft confirms Windows 11 bug caused mouse stutter in games

Microsoft confirmed a Windows 11 bug that caused jerky mouse input in some games and fixed it in the October 13, 2026 update KB5127648. The patch is available for Windows 11 24H2, 25H2 and 26H2; the company did not specify which games or how many users were affected.

• Fix shipped in KB5127648 dated October 13, 2026
• Patch available for Windows 11 24H2, 25H2 and 26H2
• Microsoft did not name affected games or user counts
• Mouse stutter complaints date back to 2025