CVE-2023-0664
QEMU: local privilege escalation via the QEMU Guest Agent on Windows
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 20, 2023
Updated · June 26, 2026
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.
Statement
This flaw has been rated as having a security impact of Moderate. The flaw affects Windows VMs using virtio-win drivers with QEMU Guest Agent installed in the guest. This is not a VM escape vulnerability, meaning that it does not allow a malicious user to break out of the guest.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
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.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-250 · Execution with Unnecessary Privileges