CVE-2026-12168

CVE-2026-12168 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An improper validation vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to escalate privileges to SYSTEM and execute arbitrary code in kernel mode via crafted messages sent through a Minifilter communication port.

Frequently asked questions

What is CVE-2026-12168?
An improper validation vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to escalate privileges to SYSTEM and execute arbitrary code in kernel mode via crafted messages sent through a Minifilter communication port.
How severe is CVE-2026-12168?
CVE-2026-12168 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-12168 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12168?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-12168 published?
CVE-2026-12168 was published on 2026-07-02.

References