CVE Vulnerabilities

CVE-2025-55236

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Sep 09, 2025 | Modified: Sep 12, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Windows_10_1809 Microsoft * 10.0.17763.7792 (excluding)
Windows_10_21h2 Microsoft * 10.0.19044.6332 (excluding)
Windows_10_22h2 Microsoft * 10.0.19045.6332 (excluding)
Windows_11_22h2 Microsoft * 10.0.22621.5909 (excluding)
Windows_11_23h2 Microsoft * 10.0.22631.5909 (excluding)
Windows_11_24h2 Microsoft * 10.0.26100.6508 (excluding)
Windows_server_2019 Microsoft * 10.0.17763.7792 (excluding)
Windows_server_2022 Microsoft * 10.0.20348.4106 (excluding)
Windows_server_2022_23h2 Microsoft * 10.0.25398.1849 (excluding)
Windows_server_2025 Microsoft * 10.0.26100.6508 (excluding)

Potential Mitigations

References