Microsoft admits a Windows 11 bug is causing stutter in games, and it’s not your mouse or drivers’ fault
windowslatest.com Oct 14, 2026

Microsoft admits a Windows 11 bug is causing stutter in games, and it’s not your mouse or drivers’ fault

AI-summarised brief · reviewed before publication

Microsoft released the October 2026 Patch Tuesday update (KB5127648) that resolves a Windows 11 bug causing mouse input stutter in certain games. The one‑line changelog entry, hidden among other fixes, confirms the issue originated in the OS rather than hardware or drivers. Gamers had reported erratic cursor behavior in titles such as Star Wars: The Old Republic, Final Fantasy XIV, and The Division 2, prompting extensive troubleshooting, hardware swaps, and even discounts from peripheral makers. Microsoft did not disclose the bug’s root cause, affected titles, or the number of users impacted, but the fix updates Windows 11 26H2, 25H2 and 24H2 builds to 26300.9711, 26200.9711 and 26100.9711 respectively. Users are advised to install the update and restart; lingering issues may still stem from drivers, docks, or wireless interference.

💡 Why It Matters

  • · It gives gamers a definitive, OS‑level remedy, ending costly hardware upgrades driven by a software flaw.