CVE-2023-0664

highpriority · track · 31EPSS 0.003 · 23 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.31% (23rd) EPSS
CVSS 7.8 · high
Is it mine?
16 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedvirtio-win-0:1.9.33-0.el9_2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHBA-2023:2451
  • Fixedvirtio-win-0:1.9.33-0.el9_2.src as a component of Red Hat Enterprise Linux AppStream (v. 9)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHBA-2023:2451
  • Workaroundvirtio-win-0:1.9.33-0.el9_2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)redhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

  • Workaroundvirtio-win-0:1.9.33-0.el9_2.src as a component of Red Hat Enterprise Linux AppStream (v. 9)redhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-250USCWE-250USCWE-250USCWE-269USCWE-269US
05

affected products (16)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • RHBA-2023:2451Red Hat Bug Fix Advisory: virtio-win bug fix and enhancement update2023-05-09csaf · redhat_csafUS

    An update for virtio-win is now available for Red Hat Enterprise Linux 9.

  • WID-SEC-W-2023-0818QEMU: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2023-03-30csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann eine Schwachstelle im QEMU Gastagenten für Windows ausnutzen, um seine Privilegien zu erhöhen.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundnvdredhat_csafNVDCVE.orgMITRE
published 2023-03-29modified 2026-06-17
09

references (24)

External citations — patches, advisories, analysis.

scry

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