PT-2026-55228 · Little Orbit · Gamefirst Anti-Cheat

Published 2026-07-02 · Updated 2026-07-02 · CVE-2026-12166

NVD

CVSS v3.1

5.5

Medium

Base vector

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

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.

Exploit

Fix

Related Identifiers

CVE-2026-12166

Affected Products

Gamefirst Anti-Cheat

References · 5

• 🔥 https://github.com/FzRsLLaSheR/CVE-2026-12166_CVE-2026-12167_CVE-2026-12168 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12166 · Security Note
• https://kb.cert.org/vuls/id/639124 · Note
• https://littleorbit.com · Note
• https://reddit.com/r/SecOpsDaily/comments/1ulks9s/vu639124_multiple_local_privilege_escalation · Reddit Post