CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability
Vulnerability summary
CVE-2018-19321 is a high (CVSS 7.8) vulnerability in GIGABYTE Multiple Products. It is known to be exploited: CISA lists it, first on 24-10-2022. It has been used in ransomware campaigns. EPSS estimates a 3.70% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 21-12-2018PublishedVulnerability first disclosed.
- 24-10-2022Added to CISA KEVGIGABYTE Multiple Products Privilege Escalation Vulnerability
- 14-11-2022CISA remediation dueApply updates per vendor instructions.
- 13-08-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.70%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.03 pp
From 3.67% on 21-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 24-10-2022
- Federal due date
- 14-11-2022
CISA required action
Apply updates per vendor instructions. www.gigabyte.com/Support/Security/1801 nvd.nist.gov/vuln/detail/CVE-2018-19321
Public exploits
2 foundExploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (secureauth.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Gigabyte4 products
- aorus_graphics_engine< 1.57
- app_center< 19.0422.1
- oc_guru_ii2.08
- xtreme_gaming_engine< 1.26
1 vendor · 4 products
References
5 links- www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilitiesX Refsource MISCBroken LinkExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321Government ResourceUS Government Resource