CVE-2018-19321 — GIGABYTE Multiple Products Privilege Escalation Vulnerability
Overview
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.
Vulnerability details
- CVE ID
- CVE-2018-19321
- Vulnerability
- GIGABYTE Multiple Products Privilege Escalation Vulnerability
- Vendor
- GIGABYTE
- Affected products
- GIGABYTE: Multiple Products
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2022-10-24
Remediation guidance
CVE-2018-19321 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for GIGABYTE the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2018-19321 — and stay ahead of the next one
CVE-2018-19321 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2018-19321 and other GIGABYTE issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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