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Vulnerabilities

Vulnerability · CVE-2018-19321

GIGABYTE Multiple Products Privilege Escalation Vulnerability

Published Dec 21, 2018 · catalog updated Aug 12, 2026 · GIGABYTE Multiple Products

Patch now

CVE-2018-19321 is in the CISA known-exploited catalog, due Nov 14, 2022. Confirm GIGABYTE Multiple Products against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
3.70%
Remediation
Remediation guidance
Affected products
cpe gigabyte/aorus graphics engine · cpe gigabyte/app center · cpe gigabyte/oc guru ii · cpe gigabyte/xtreme gaming engine · vendor GIGABYTE Multiple Products

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe gigabyte/aorus graphics engineversion unspecified
  • cpe gigabyte/app centerversion unspecified
  • cpe gigabyte/oc guru ii2.08
  • cpe gigabyte/xtreme gaming engineversion unspecified
  • vendor GIGABYTE Multiple Productsversion unspecified

How to fix CVE-2018-19321

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2018-19321 is in the CISA known-exploited catalog, due Nov 14, 2022. Confirm GIGABYTE Multiple Products against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with gigabyte/oc guru ii 2.08. Apply updates per vendor instructions.

What should an analyst verify?

No weakness class is stored. EPSS 3.70%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 21, 2018 · Catalog

    Detected

    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.

  2. Oct 24, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Nov 14, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 12, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2018-19321

    The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2018-19321

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-19321

    30-day exploitation probability 3.7%

    first.org
  • NIST NVDVulnerability recordCVE-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 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 attac

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2018-19321

    The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.