SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-19323

GIGABYTE Multiple Products Privilege Escalation Vulnerability

KEVCRITICAL 9.8EPSS 8.36%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 November 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
8.36% probability · 95th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 24 October 2022 · due 14 November 2022 · used in ransomware campaigns
Affected
gigabyte/aorus graphics engine · gigabyte/gigabyte app center · gigabyte/oc guru ii · gigabyte/xtreme gaming engine
Source
cve@mitre.org
EPSS trend
0%5%10%27 October 2026: 8.36%27 October 202627 October 2026

EPSS 8.4% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://www.gigabyte.com/Support/Security/1801; https://nvd.nist.gov/vuln/detail/CVE-2018-19323

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.