CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-10-24. EPSS: 3.7% chance of exploitation in the next 30 days.

The GPCIDrv and GDrv low-level drivers 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 expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.

Affected products

• GIGABYTE Aorus Graphics Engine: before 1.57 (fixed in 1.57)
• GIGABYTE App Center: before 19.0422.1 (fixed in 19.0422.1)
• GIGABYTE Oc Guru Ii: version 2.08 only
• GIGABYTE Xtreme Gaming Engine: before 1.26 (fixed in 1.26)

Published 2018-12-21. Last modified 2026-08-13.