CVE-2025-55236

Graphics Kernel Remote Code Execution Vulnerability

State: Published
Severity: 7.3 High
Published: Sep 9, 2025
Updated: Feb 20, 2026
Reserved: Aug 11, 2025

Description

Time-of-check time-of-use (toctou) race condition in Graphics Kernel allows an authorized attacker to execute code locally.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

Affected Products

Product	Versions
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7792Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.6332Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.6332Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5909Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5909Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5909Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.6584Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7792Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7792Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4171Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1849Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.6584Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.6584Affected

References

Graphics Kernel Remote Code Execution Vulnerabilityvendor-advisorypatch

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