CVE-2026-12167 CVE-2026-12167
A local attacker can access privileged driver functionality in Little Orbit GFAC due to missing access restrictions on the communication port.
- 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-2026-12167?
CVE-2026-12167 is a high-severity missing authorization vulnerability in Little Orbit GameFirst Anti-Cheat, published on 2 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Minifilter communication port for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to access privileged driver functionality via a communication interface that lacks appropriate access restrictions.
Which versions are affected by CVE-2026-12167?
How do I fix CVE-2026-12167?
No fix has been published for CVE-2026-12167 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-2026-12167 being exploited?
There is no known exploitation of CVE-2026-12167 in the wild and no public exploit code.
Sources
Also known as GHSA-3p7v-279h-hf95.