The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08 exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.
https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
https://www.gigabyte.com/tw/Support/Utility/Graphics-Card
https://www.gigabyte.com/Support/Security/1801