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 kerne
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-12168
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.
- Low exploitation riskCVE-2026-121680.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-12168 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for An improper validation
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.
- unknownCVE-2026-49844: Improper encoding of non-finite floating-point values during MapMessage JSON serialization in …nvd · 2026-07-10
- mediumCVE-2026-56312: Capgo before 12.128.2 contains an improper validation vulnerability in the accept_invitation e…nvd · 2026-07-10
- highCVE-2026-40454: Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of…nvd · 2026-07-10
- unknownCVE-2026-21057: Improper input validation in Samsung Pass prior to version 5.2.10.3 allows local privileged at…nvd · 2026-07-10
- unknownCVE-2026-21053: Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to…nvd · 2026-07-10
- highCVE-2026-15288: The SureForms – Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to…nvd · 2026-07-10
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