Cyber Resilience

CVE-2018-19323

Gigabyte Aorus Graphics Engine ≤ 1.57

CISA KEVActive ExploitationEUVD ExploitedPublic PoCRansomware-linked
Published
21 December 2018
Modified
13 August 2026
KEV Added
24 October 2022
Patch / advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.085 95th percentile
Risk Priority 97 floored blend · peak EPSS

Summary

CVE-2018-19323 is a critical-severity an unspecified weakness vulnerability in Gigabyte Aorus Graphics Engine. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 5% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The vulnerability is an exposure of Machine Specific Register (MSR) read and write functionality in the GDrv low-level driver shipped with GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE versions before 1.57, XTREME GAMING ENGINE versions before 1.26, and OC GURU II v2.08. This issue received a CVSS 3.1 base score of 9.8 and is tracked under CVE-2018-19323.

An unauthenticated attacker can invoke the exposed driver interfaces to read or write MSRs. Successful exploitation grants the ability to alter processor configuration, disable security features, or execute arbitrary code with full system privileges.

Gigabyte published security advisory 1801 along with updated software packages on its support site that address the affected graphics utilities and drivers; the full disclosure and technical analysis are also available via the referenced Seclists and SecureAuth Labs reports.

EU & UK References

Vulnerability Data

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).

CWE(s)
KEV Date Added
24 October 2022

Related Threats

CVEs Like This One

CVE-2018-19320Same product: Gigabyte Aorus Graphics Engineboth on KEV
CVE-2018-19322Same product: Gigabyte Aorus Graphics Engineboth on KEV
CVE-2018-19321Same product: Gigabyte Aorus Graphics Engineboth on KEV
CVE-2026-4415Same vendor: Gigabyte
CVE-2026-4416Same vendor: Gigabyte

Affected Assets

gigabyte
aorus graphics engine
≤ 1.57
gigabyte
gigabyte app center
≤ 1.05.21
gigabyte
oc guru ii
2.08
gigabyte
xtreme gaming engine
≤ 1.26

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References