CVE-2026-54424 | An Incorrect Use of Privileged APIs vulnerability in Unity P… | CVSS 8.4 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.

Metadata

CVE ID: CVE-2026-54424
State: PUBLISHED
Assigner: mitre
Reserved: 2026-06-14 04:15 UTC
Published: 2026-07-04 00:45 UTC
Last updated: 2026-07-04 00:45 UTC
Primary CWE: CWE-648
CWE-648 Incorrect Use of Privileged APIs
Vendor / Product: Unity / Parsec
Sources: cve.org · NVD

Severity & Metrics

8.4 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
Unity	Parsec	Windows	0 ≤ v2026-05-04.0

Weakness (CWE)

CWE	Source	Description
CWE-648	cna	CWE-648 Incorrect Use of Privileged APIs

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.4	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (4)