CVE-2025-59261

Windows Graphics Component Elevation of Privilege Vulnerability

CVE-2025-59261 is fixed in 13 products on 1 platform, first by KB5066793, released October 14, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.0

Important

Exploitation

None reported

Exploitation Unlikely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

9th percentile

<p>Time-of-check time-of-use (toctou) race condition in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 11 Version 22H2 for ARM64-based Systems		KB5066793	Oct 14, 2025
Windows 11 Version 22H2 for x64-based Systems		KB5066793	Oct 14, 2025
Windows 11 Version 23H2 for ARM64-based Systems		KB5066793	Oct 14, 2025
Windows 11 Version 23H2 for x64-based Systems		KB5066793	Oct 14, 2025
Windows 11 Version 24H2 for ARM64-based Systems		KB5066835	Oct 14, 2025
Windows 11 Version 24H2 for x64-based Systems		KB5066835	Oct 14, 2025
Windows 11 Version 25H2 for ARM64-based Systems		KB5066835	Oct 14, 2025
Windows 11 Version 25H2 for x64-based Systems		KB5066835	Oct 14, 2025
Windows Server 2022	20348.4294	KB5066782	Oct 14, 2025
Windows Server 2022 (Server Core installation)	20348.4294	KB5066782	Oct 14, 2025
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.1913	KB5066780	Oct 14, 2025
Windows Server 2025		KB5066835	Oct 14, 2025
Windows Server 2025 (Server Core installation)		KB5066835	Oct 14, 2025

Details

Published
October 14, 2025
Weakness
Time-of-check Time-of-use (TOCTOU) Race Condition
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59261

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