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Known exploited vulnerability · CISA KEV

CVE-2018-19320: GIGABYTE Multiple Products Unspecified Vulnerability

The GDrv low-level driver in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

CVE-2018-19320

Exploited in the wild. Fix this first.

CISA added it to the Known Exploited Vulnerabilities catalog on 2022-10-24: attackers are using it right now. It is known to be used in ransomware campaigns.

CISA KEV
Listed
Added 2022-10-24 · federal fix-by 2022-11-14
EPSS (30 days)
4.6%
Higher than 92% of CVEs · 2026-11-01
CVSS v3.1
7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What CISA says

GIGABYTE Multiple Products Unspecified Vulnerability

Apply updates per vendor instructions.

NVD description · published 2018-12-21

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 ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

Full record on NVD

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How to check if you are exposed to CVE-2018-19320

  1. Find every GIGABYTE Multiple Products system you or your clients run, including ones exposed to the internet. Those come first: CISA only lists flaws attackers are already using.
  2. Compare each version with the fixed versions in the vendor advisory below. Where no fix exists yet, apply the vendor’s mitigation or take the system off the internet.
  3. Run a credentialed vulnerability scan to catch the systems you missed, then check that the next scan no longer reports CVE-2018-19320.

US federal agencies had to fix this by 2022-11-14. Everyone else should treat that deadline as a guide: if it has passed, this is overdue.

Affected versions

Versions the National Vulnerability Database lists as vulnerable to CVE-2018-19320. Check the vendor advisory for the exact fixed builds before you sign anything off.

ProductVulnerable versions
GIGABYTE Aorus Graphics Enginebefore 1.57
GIGABYTE APP Centerbefore 19.0422.1
GIGABYTE OC Guru II2.08
GIGABYTE Xtreme Gaming Enginebefore 1.26

Timeline

  1. · Published in the National Vulnerability Database
  2. · Added to CISA's Known Exploited Vulnerabilities catalog, 1,403 days after it was published
  3. · Fix-by date for US federal agencies, passed 1,448 days ago

Vendor advisories and fixes

More exploited GIGABYTE vulnerabilities

CISA lists 4 exploited GIGABYTE vulnerabilities. The closest matches:

Keep going

Sources: CISA Known Exploited Vulnerabilities catalog (version 2026.10.30); EPSS data from FIRST.org; CVSS and descriptions from the NIST National Vulnerability Database. Checked 2026-11-01. This product uses the NVD API but is not endorsed or certified by the NVD.

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