CVE-2026-54424CWE-648

An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads to a potential Elevation of Privilege

High · published July 4, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00185 · 8.2th percentile
Weakness
CWE-648 · Incorrect Use of Privileged APIs
Published
2026-07-04T00:45Z
EPSS history
Timeline
  • 04 JUL 00:45Z
    An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads to a potential Elevation of Privilege
    cvelistv5