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.

CVSS v3.1

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.18% chance of exploitation in the next 30 days, 8th percentile

Published

2026-07-04

Updated

2026-07-06

Proof-of-concept exploits (1)

• tomadimitrie/CVE-2026-544240★ · 2026-07-02

References

• CVE Record
• NVD entry

Related

• CVE-2026-54420
• CVE-2026-54433
• CVE-2026-54415
• CVE-2026-54449
• CVE-2026-54356
• CVE-2026-54458