CVE-2018-19321
GIGABYTE Multiple Products Privilege Escalation Vulnerability
CVSS
7.8
High
EPSS
3.7%
p90
KEV
YES
Oct 24, 2022
Exploit Today
77
0-100
Published: Dec 21, 2018 · Last modified: Aug 13, 2026
Product
GIGABYTE / Multiple Products
Vulnerability
GIGABYTE Multiple Products Privilege Escalation Vulnerability
Added to KEV
Oct 24, 2022
Remediate by
Nov 14, 2022
Known ransomware use
Yes
Summary description
The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.
Required action
Apply updates per vendor instructions.
Notes
https://www.gigabyte.com/Support/Security/1801; https://nvd.nist.gov/vuln/detail/CVE-2018-19321
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.
- seclists.orghttp://seclists.org/fulldisclosure/2018/Dec/39
- www.securityfocus.comhttp://www.securityfocus.com/bid/106252
- www.gigabyte.comhttps://www.gigabyte.com/Support/Security/1801
- www.secureauth.comhttps://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
- seclists.orghttp://seclists.org/fulldisclosure/2018/Dec/39
- www.securityfocus.comhttp://www.securityfocus.com/bid/106252
- www.gigabyte.comhttps://www.gigabyte.com/Support/Security/1801
- www.secureauth.comhttps://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321