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 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

Published

2026-07-02

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• https://github.com/FzRsLLaSheR/CVE-2026-12166_CVE-2026-12167_CVE-2026-12168
• https://kb.cert.org/vuls/id/639124
• https://www.littleorbit.com/

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