A NULL pointer dereference vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit…
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Little Orbit | GameFirst Anti-Cheat | up to 2025-07-07 | — | No fix listed | CNA |
- GameFirst Anti-Cheat VendorLittle Orbit Affected up to 2025-07-07 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12166
- 2026-10-03 Alias added: GHSA-rp8q-7vcj-j55j
References
More Little Orbit vulnerabilities
- TI-2026-10471 An improper validation vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC… CVSS 3.1HIGH 7.8
- TI-2026-10470 The Minifilter communication port for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC… CVSS 3.1HIGH 7.8
Sources
- CVE-2026-12166 · CVE Program
- CVE-2026-12166 · NVD
- FIRST EPSS
- GHSA-rp8q-7vcj-j55j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences