CVE-2018-19321: in the CISA KEV catalogue
GIGABYTE Multiple Products Privilege Escalation Vulnerability. CISA added CVE-2018-19321 to the Known Exploited Vulnerabilities catalogue on 2022-10-24 with a default due date of 2022-11-14. Known ransomware campaign use: Known. Forensic triage flag: No.
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 description)
- Vendor / product
- GIGABYTE Multiple Products
- CWE
- Not listed
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 3.7%, percentile 89 (scored 2026-11-03)
EPSS puts about 3.7 in 100 odds (3.7%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 89% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2018-19321 in the CISA KEV catalogue?
Yes. CISA added CVE-2018-19321 (GIGABYTE Multiple Products Privilege Escalation Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-10-24. CISA's default due date for it is 2022-11-14.
Is CVE-2018-19321 used in ransomware attacks?
CISA marks known ransomware campaign use as Known for CVE-2018-19321.
What should I do about CVE-2018-19321?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2018-19321