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…

published 2018-12-21 7 y ago modified 2026-08-13 2 mo ago also EUVD-2018-11019

cvss: 7.8; version 3.1, CNA
cisa kev: Exploited; added 2022-10-24, used in ransomware
epss: 3.7%; EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

fixed in 3

gigabyte aorus_graphics_engine 1.57
gigabyte app_center 19.0422.1
gigabyte xtreme_gaming_engine 1.26

Timeline

2018-12-21 Published
2022-10-24 Added to CISA KEV
2022-10-27 CISA SSVC: exploitation active
2022-11-14 CISA patch deadline

Known exploited

Added: 4 y ago (2022-10-24)
Patch by: 2022-11-14 (3 y ago)
Ransomware: Known to be used in ransomware campaigns
Required action: Apply updates per vendor instructions.
Vendor, product: GIGABYTE, Multiple Products
CISA name: GIGABYTE Multiple Products Privilege Escalation Vulnerability

CISA SSVC

Exploitation: Active, exploited in the wild
Automatable: no
Technical impact: total
Assessed: 4 y ago (2022-10-27)

Exploit prediction

3.70% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

seclists.org http://seclists.org/fulldisclosure/2018/Dec/39 referenced PoC, tagged "exploit" by a source, unverified
secureauth.com https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

References

seclists.org /fulldisclosure/2018/Dec/39
mailing-list, exploit, third-party-advisory
secureauth.com /labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
broken-link, exploit, third-party-advisory
gigabyte.com /Support/Security/1801
vendor-advisory
securityfocus.com /bid/106252
vdb-entry, broken-link, third-party-advisory
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321
government-resource, us-government-resource

Sources

CVE List CVE-2018-19321
NVD CVE-2018-19321

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary