CVE-2026-54424

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.

Scoring

Severity
HIGH
CVSS base score
8.4
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS probability
0.18%
CWE
CWE-648
Published
2026-07-04
Last modified
2026-07-06

Affected products

Weakness type

Related vulnerabilities

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