CVE-2025-55236 Graphics Kernel Remote Code Execution Vulnerability
An authorized local attacker can exploit a race condition in the Windows Graphics Kernel to execute arbitrary code and escalate privileges.
- 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-2025-55236?
CVE-2025-55236 is a high-severity vulnerability in Microsoft Windows 10 1809, 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
Time-of-check time-of-use (toctou) race condition in Graphics Kernel allows an authorized attacker to execute code locally.
Which versions are affected by CVE-2025-55236?
It affects 10 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 4 more.
How do I fix CVE-2025-55236?
No fix has been published for CVE-2025-55236 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-55236 being exploited?
There is no known exploitation of CVE-2025-55236 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-6qph-w3p3-9cv3.