CVE-2025-55226 Graphics Kernel Remote Code Execution Vulnerability

Medium 6.7 Published Updated

An authorized local attacker can exploit a race condition in the Windows Graphics Kernel to execute arbitrary code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-55226?

CVE-2025-55226 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 9 Sep 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to execute code locally.

Weakness: CWE-362

Which versions are affected by CVE-2025-55226?

It affects 15 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.

How do I fix CVE-2025-55226?

No fix has been published for CVE-2025-55226 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-55226 being exploited?

There is no known exploitation of CVE-2025-55226 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-w74r-w7jp-rc8w.

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