CVE-2026-12166
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductGameFirst Anti-Cheat
PublishedJul 2, 2026
First seenJul 2, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Little Orbit GameFirst Anti-Cheat | v ≤ 2025-07-07 | — |
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