CVE-2026-54424 [HIGH] – An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads t

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 AUTHORITYSYSTEM with a user-controlled value of the AppData environment variable.