What is CVE-2026-12167?

CVE-2026-12167 is a high-severity vulnerability in Little Orbit Gamefirst Anti-cheat, classified under CWE-284 IMPROPER ACCESS CONTROL. CVSS score: 7.8/10. Published 2026-07-02.

How severe is CVE-2026-12167?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Little Orbit Gamefirst Anti-cheat

CVE-2026-12167

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.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Little Orbit Gamefirst Anti-cheat — versions 0

References

cret@cert.org
cret@cert.org
cret@cert.org

Frequently asked questions

What is CVE-2026-12167?: CVE-2026-12167 is a high-severity vulnerability in Little Orbit Gamefirst Anti-cheat, classified under CWE-284 IMPROPER ACCESS CONTROL. CVSS score: 7.8/10. Published 2026-07-02.
How severe is CVE-2026-12167?: High severity. CVSS v3 base score is 7.8 out of 10.