# CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability

> CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-19321
Last updated: 2026-08-13T03:55:52Z

- Published: 2018-12-21 23:00 UTC · Updated: 2026-08-13 03:55 UTC · Assigner: mitre
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 3.7%, 90th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-10-24, federal due date 2022-11-14, ransomware use: Known

## Description

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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- GIGABYTE: Multiple Products

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-19321)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-19321)
- [http://seclists.org/fulldisclosure/2018/Dec/39](http://seclists.org/fulldisclosure/2018/Dec/39)
- [https://www.gigabyte.com/Support/Security/1801](https://www.gigabyte.com/Support/Security/1801)
- [https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities](https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities)
- [http://www.securityfocus.com/bid/106252](http://www.securityfocus.com/bid/106252)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2018-19321 · Markdown: https://rewindex.com/cve/CVE-2018-19321.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-19321 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:19.847Z