GIGABYTE Multiple Products Privilege Escalation Vulnerability

KRITISCH 9.8EXPLOITED (CISA KEV)CVE-2018-19323 · Published 21/12/2018 · updated 01/10/2026

GIGABYTE Multiple Products Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 24/10/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.

Package	Affected versions	Patched versions
aorus graphics engine gigabyte	`< 1.57`	`1.57`
gigabyte app center gigabyte	`≤ 1.05.21`	No fix yet
oc guru ii gigabyte	`= 2.08`	No fix yet
xtreme gaming engine gigabyte	`< 1.26`	`1.26`

Description

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 functionality to read and write Machine Specific Registers (MSRs).

References

seclists.org/fulldisclosure/2018/Dec/39 · Exploit
securityfocus.com/bid/106252 · Broken Link
gigabyte.com/Support/Security/1801 · Vendor Advisory
gigabyte.com/tw/Support/Utility/Graphics-Card · Product
secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities · Broken Link
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2018-19323

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