CVE-2026-54424

high

Description

An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads to a potential Elevation of Privilege. This issue affects Parsec through v2026-05-04.0. The patched version is Parsec for Windows version 150-104a. A user can generate a situation where there is an instance of parsecd.exe running as NT AUTHORITY\SYSTEM with a user-controlled value of the AppData environment variable.

References

https://www.tomadimitrie.dev/blog/CVE-2026-54424

https://support.parsec.app/hc/en-us/articles/50612943726612-CVE-2026-54424

https://parsec.app/

https://github.com/tomadimitrie/CVE-2026-54424

Details

Source: Mitre, NVD

Published: 2026-07-04

Updated: 2026-07-04

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.4

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

Severity: High