What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-10-24
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-21 · updated 2026-08-13

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.

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: 2.08
• Gigabyte Xtreme Gaming Engine: before 1.26 — fixed in 1.26

How to fix

Upgrade to a fixed version: Gigabyte Aorus Graphics Engine 1.57; Gigabyte App Center 19.0422.1; Gigabyte Xtreme Gaming Engine 1.26. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2018/Dec/39
• http://www.securityfocus.com/bid/106252
• https://www.gigabyte.com/Support/Security/1801
• https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
• http://seclists.org/fulldisclosure/2018/Dec/39
• http://www.securityfocus.com/bid/106252
• https://www.gigabyte.com/Support/Security/1801
• https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321

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