CVE-2025-55236 — Time-of-check Time-of-use (TOCTOU) Race Condition in Microsoft Windows 10 Version 1809

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race ConditionCWE-843 — Type Confusion4 documents4 sources
Severity
7.8HIGHNVD
CNA7.3
EPSS
0.1%
top 70.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
17
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+14 more
Timeline
PublishedSep 9

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages17 packages

▶NVDmicrosoft/windows< 10.0.17763.7792+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7792
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6332
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6332
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5909

🔴Vulnerability Details

2
CVEList
Graphics Kernel Remote Code Execution Vulnerability↗2025-09-09
▶
GHSA
GHSA-6qph-w3p3-9cv3: Time-of-check time-of-use (toctou) race condition in Graphics Kernel allows an authorized attacker to execute code locally↗2025-09-09
▶

📋Vendor Advisories

1
Microsoft
Graphics Kernel Remote Code Execution Vulnerability↗2025-09-09
▶
CVE-2025-55236 — Microsoft vulnerability | cvebase