Overview
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.
https://www.gigabyte.com/Support/Security/1801; https://nvd.nist.gov/vuln/detail/CVE-2018-19321
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2018-19321 |
| Vendor / Product | GIGABYTE — Multiple Products |
| NVD Published | 2018-12-21 |
| NVD Last Modified | 2025-11-07 |
| CVSS 3.1 Score | 7.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CISA KEV Added | 2022-10-24 |
| CISA KEV Deadline | 2022-11-14 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2022-11-14.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-10-24 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-11-14 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2018-19321 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |