CVE-2025-61155 Missing authorization in n/a
A local attacker can terminate arbitrary processes, including security services, via the GameDriverX64.sys kernel driver due to missing access validation in IOCTL handlers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-61155?
CVE-2025-61155 is a medium-severity missing authorization vulnerability in n/a, published on 28 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The GameDriverX64.sys kernel-mode anti-cheat driver (v7.23.4.7 and earlier) contains an access control vulnerability in one of its IOCTL handlers. A user-mode process can open a handle to the driver device and send specially crafted IOCTL requests. These requests are executed in kernel-mode context without proper authentication or access validation, allowing the attacker to terminate arbitrary processes, including critical system and security services, without requiring administrative privileges.
Weakness: CWE-400
Which versions are affected by CVE-2025-61155?
How do I fix CVE-2025-61155?
No fix has been published for CVE-2025-61155 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-61155 being exploited?
There is no known exploitation of CVE-2025-61155 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-9qfv-m6w2-fhch.