Is CVE-2023-0664 in the CISA KEV catalog?

No. CVE-2023-0664 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0664?

CVE-2023-0664 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-0664?

CVE-2023-0664 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0664?

Upgrade virtio-win on rocky 9 to 0:1.9.33-0.el9_2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-0664

HIGH

7.8

CVSS v3

NVD

Description

A flaw was found in the QEMU Guest Agent service for Windows. A local unprivileged user may be able to manipulate the QEMU Guest Agent's Windows installer via repair custom actions to elevate their privileges on the system.

CWE-250 CWE-269Improper Privilege Management

How to fix

Remediation Available

virtio-winRocky

Fixed in:0:1.9.33-0.el9_2RHBA-2023:2451

virtio-winRed Hat / RHEL

Fixed in:0:1.9.33-0.el9_2RHBA-2023:2451

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Patch3

Third-Party Advisory1

lists.nongnu.org

Other references3

Related Vulnerabilities

Other CWE-250 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-1222	High	8.6	64%	-	Fix
CVE-2025-12420	Critical	9.8	45%	-	Fix
CVE-2024-38813	High	7.5	17%	KEV	Fix
CVE-2025-34515	Critical	9.8	7.3%	-	-
CVE-2026-29205	High	8.6	7.2%	-	-
CVE-2019-16765	High	7.4	4.7%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-18.