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CVE-2018-19323

critical CISA KEV

GIGABYTE Multiple Products Privilege Escalation Vulnerability

Vendor / product: GIGABYTE — Multiple Products

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
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2018-12-21 23:29
Modified: 2026-10-01 21:17
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Listed in CISA KEV
Added 2022-10-24 · due 2022-11-14
Known ransomware use: Known

Required action (CISA)

Apply updates per vendor instructions.

Affected products

gigabyte / aorus_graphics_engine <1.57
gigabyte / gigabyte_app_center ≤1.05.21
gigabyte / oc_guru_ii 2.08
gigabyte / xtreme_gaming_engine <1.26

Weakness classification (CWE)

NVD-CWE-noinfo

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://www.gigabyte.com/Support/Security/1801
Vendor advisory: https://www.gigabyte.com/Support/Security/1801

References

Data sources

CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores