What is the CVSS score of CVE-2018-19321?

CVE-2018-19321 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.7%.

Is there a public PoC exploit available for CVE-2018-19321?

Yes, a public proof-of-concept exploit is available for CVE-2018-19321. Prioritise patching immediately. EPSS: 3.7%.

Aorus Graphics Engine CVE-2018-19321

HIGH

2018-12-21 cve@mitre.org

Information Disclosure Aorus Graphics Engine App Center Oc Guru Ii Xtreme Gaming Engine

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Jul 14, 2026 - 04:22 CISA

CVE Published

Dec 21, 2018 - 23:29 nvd

HIGH 7.8

DescriptionNVD

AnalysisAI

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. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

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 include: Gigabyte Aorus Graphics Engine, Gigabyte App Center, Gigabyte Oc Guru Ii, Gigabyte Xtreme Gaming Engine. Version information: before 1.57.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.