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CVE-2026-12166: 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

mediumpublic exploitCVSS 5.5CVE-2026-12166
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.

Details

Source
NVD Recent CVEs (US · database · site)
Severity
medium — CVSS 5.5
Published
2026-07-02
Last updated
2026-07-02
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-12166

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-12166coverage & exploitation statusNVD · CVE.org

Recent advisories for A NULL pointer

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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