CVE-2018-19321 GIGABYTE Multiple Products Privilege Escalation

Exploited in the wild High 7.8 Published 21 Dec 2018 Updated 13 Aug 2026

Local attackers can exploit GIGABYTE driver flaws to read and write arbitrary physical memory, leading to privilege escalation.

Exploited in the wild: Since 24 Oct 2022
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-19321?

CVE-2018-19321 is a high-severity vulnerability in n/a, published on 21 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2018-19321?

It affects 4 products.

Products include Gigabyte Aorus Graphics Engine, Gigabyte App Center, Gigabyte Oc Guru Ii, Gigabyte Xtreme Gaming Engine.

How do I fix CVE-2018-19321?

No fix has been published for CVE-2018-19321 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 14 Nov 2022.

Is CVE-2018-19321 being exploited?

Yes. Attackers have exploited CVE-2018-19321 in the wild since at least 24 Oct 2022, including in ransomware campaigns.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-v6m4-3gv6-q4jx.