CVE-2018-19323: GIGABYTE Multiple Products Privilege Escalation Vulnerability
Vulnerability summary
CVE-2018-19323 is a critical (CVSS 9.8) 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 8.36% chance of exploitation in the next 30 days, higher than 94.9% 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.
- 01-10-2026Last modifiedVulnerability information updated.
Description
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 functionality to read and write Machine Specific Registers (MSRs).
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
8.36%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
+0.54 pp
From 7.83% on 20-09-2026
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-2018-19323
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
- gigabyte_app_center≤ 1.05.21
- oc_guru_ii2.08
- xtreme_gaming_engine< 1.26
1 vendor · 4 products
References
6 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-2018-19323Government ResourceUS Government Resource