Vulnerability · Published Sep 9, 2025 · Assigned by microsoft

CVE-2025-55228Windows Graphics Component Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity race condition in Windows 10 Version 21H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 74.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.6332
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.6332
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5909
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5909
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5909
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.6584
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.4171
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1849
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.6584
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.6584

Weakness: CWE-362, CWE-416 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

References