CVE-2026-12166

CVE-2026-12166

A NULL pointer dereference vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to cause a denial of service via crafted requests that trigger a system crash.

Affected

Little Orbit · GameFirst Anti-Cheat

CVSS v3.1 CNA

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.15% chance of exploitation in the next 30 days, 4th percentile

Published

2026-07-02

Proof-of-concept exploits (1)

• FzRsLLaSheR/CVE-2026-12166_CVE-2026-12167_CVE-2026-121681★ · 2026-07-02

Security advisories

• https://kb.cert.org/vuls/id/639124

References

• CVE Record
• NVD entry

Related

• CVE-2026-12167
• CVE-2026-12168
• CVE-2026-14960
• CVE-2026-14961