NewsPublished 22 Nov 2025

Nvidia confirms October Windows updates cause gaming issues

Source Reddit InfoSec News

Description

Nvidia has confirmed that the October 2025 Windows updates (specifically KB5066835) cause gaming performance issues on Windows 11 24H2 and 25H2 systems. To address this, Nvidia released a beta GeForce Hotfix Display Driver version 581.94, which aims to mitigate these issues but has not undergone the usual full quality assurance process. The hotfix driver is optional and provided as-is to quickly deliver fixes to affected users. These gaming issues are part of a broader set of problems caused by the October 2025 Windows updates, which also affected other Windows functionalities.

Impact

Users running Windows 11 24H2 and 25H2 who installed the October 2025 update KB5066835 may experience degraded gaming performance. This can affect the gaming experience negatively but does not indicate a security compromise or vulnerability. The issue is limited to performance degradation rather than system security or stability failures. The hotfix driver provided by Nvidia is intended to mitigate these performance issues.

Defensive guidance

Nvidia has released a beta GeForce Hotfix Display Driver version 581.94 to address the gaming performance issues caused by the October 2025 Windows update KB5066835. Users experiencing these issues should consider installing this hotfix driver, understanding that it is a beta release with an abbreviated quality assurance process and is provided as-is. No other specific mitigations are indicated. Since this is a performance issue caused by a Windows update, monitoring Nvidia and Microsoft advisories for further official fixes is recommended.

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Description

AI analysisMachine-generated, updated 20 Aug 2026, 03:42 UTC

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