CVE-2025-55236

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

Score

CVSS 3.1 7.8 High

Status

Analyzed - secure@microsoft.com

Published

2025-09-09

Last modified

2026-02-20

Weaknesses

CWE-367, CWE-843

Affected products

• Windows 10 1809 (Microsoft)
• Windows 10 21H2 (Microsoft)
• Windows 10 21h2 (Microsoft)
• Windows 10 22H2 (Microsoft)
• Windows 10 22h2 (Microsoft)
• Windows 11 22H2 (Microsoft)
• Windows 11 22h2 (Microsoft)
• Windows 11 23H2 (Microsoft)
• Windows 11 23h2 (Microsoft)
• Windows 11 24H2 (Microsoft)
• Windows 11 24h2 (Microsoft)
• Windows Server 2019 (Microsoft)
• Windows Server 2022 (Microsoft)
• Windows Server 2022 23h2 (Microsoft)
• Windows Server 2025 (Microsoft)
• Windows Server 23h2 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55236