How severe is CVE-2018-19323?

CVE-2018-19323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-19323 being actively exploited?

Yes. CVE-2018-19323 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-10-24, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-19323?

CVE-2018-19323 primarily affects Gigabyte Aorus Graphics Engine. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-19323?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-19323 have an EU (EUVD) identifier?

Yes. CVE-2018-19323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-11021. It is also flagged as exploited in the EUVD (since 2022-10-24).

When was CVE-2018-19323 published?

CVE-2018-19323 was published on 2018-12-21 and last updated on 2026-06-17.

CVE-2018-19323

CVE-2018-19323 is a critical-severity vulnerability in Gigabyte Aorus Graphics Engine with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-10-24).

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.0
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-10-24)
EU (EUVD) id: EUVD-2018-11021
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-10-24)
Affected product: Gigabyte Aorus Graphics Engine
Published: 2018-12-21
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2018-19323?: 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).
How severe is CVE-2018-19323?: CVE-2018-19323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-19323 being actively exploited?: Yes. CVE-2018-19323 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-10-24, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-19323?: CVE-2018-19323 primarily affects Gigabyte Aorus Graphics Engine. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-19323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-19323 have an EU (EUVD) identifier?: Yes. CVE-2018-19323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-11021. It is also flagged as exploited in the EUVD (since 2022-10-24).
When was CVE-2018-19323 published?: CVE-2018-19323 was published on 2018-12-21 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:gigabyte:aorus_graphics_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:gigabyte:gigabyte_app_center:*:*:*:*:*:*:*:*
cpe:2.3:a:gigabyte:oc_guru_ii:2.08:*:*:*:*:*:*:*
cpe:2.3:a:gigabyte:xtreme_gaming_engine:*:*:*:*:*:*:*:*

More vulnerabilities in Gigabyte Aorus Graphics Engine

CVE-2018-19322 — High (CVSS 7.8): The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57,…
CVE-2018-19321 — High (CVSS 7.8): The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57,…
CVE-2018-19320 — High (CVSS 7.8): The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING…

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