---
id: CVE-2018-19323
title: >-
  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).
summary: >-
  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).
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: gigabyte
product: aorus_graphics_engine
affected:
  - aorus_graphics_engine < 1.57
  - gigabyte_app_center <= 1.05.21
  - oc_guru_ii = 2.08
  - xtreme_gaming_engine < 1.26
patched:
  - aorus_graphics_engine 1.57
  - xtreme_gaming_engine 1.26
published: '2018-12-21'
updated: '2026-08-13'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2018-19323'
references:
  - url: 'http://seclists.org/fulldisclosure/2018/Dec/39'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/106252'
    label: cve@mitre.org
  - url: 'https://www.gigabyte.com/Support/Security/1801'
    label: cve@mitre.org
  - url: 'https://www.gigabyte.com/tw/Support/Utility/Graphics-Card'
    label: cve@mitre.org
  - url: >-
      https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
    label: cve@mitre.org
  - url: 'http://seclists.org/fulldisclosure/2018/Dec/39'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/106252'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.gigabyte.com/Support/Security/1801'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.gigabyte.com/tw/Support/Utility/Graphics-Card'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19323
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - kev
  - in-the-wild
  - exploit-available
epss: 0.07828
epssPercentile: 0.94406
kev: true
kevDateAdded: '2022-10-24'
kevDueDate: '2022-11-14'
kevRansomware: true
exploited: true
ingestedAt: '2026-08-13T06:00:54.567Z'
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/blueisbeautiful/CVE-2018-19323'
  checkedAt: '2026-09-23T07:13:15.396Z'
exploitAvailable: true
---

## Overview

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).

## Affected

- `aorus_graphics_engine < 1.57`
- `gigabyte_app_center <= 1.05.21`
- `oc_guru_ii = 2.08`
- `xtreme_gaming_engine < 1.26`

## Remediation

Upgrade past the affected range:

- `aorus_graphics_engine 1.57`
- `xtreme_gaming_engine 1.26`