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,…

published 2018-12-21 7y ago modified 2026-10-01 last mo. also EUVD-2018-11021

cvss: 9.8; version 3.1, CNA
cisa kev: Exploited; added 2022-10-24, used in ransomware
epss: 8.4%; EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

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).

Patch / fix

cisa required action Apply updates per vendor instructions.

fixed in 2

gigabyte aorus_graphics_engine 1.57
gigabyte xtreme_gaming_engine 1.26

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Timeline

2018-12-21 Published
2022-10-24 Added to CISA KEV
2022-11-14 CISA patch deadline
2026-08-13 CISA SSVC: exploitation active

Known exploited

Added: 4y ago (2022-10-24)
Patch by: 2022-11-14 (3y 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: 2mo ago (2026-08-13)

Exploit prediction

8.36% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

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	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:N/C:P/I:P/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
gigabyte.com /tw/Support/Utility/Graphics-Card
product
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19323
government-resource, us-government-resource

Sources

CVE List CVE-2018-19323
NVD CVE-2018-19323

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