CVE-2026-54424: Parsec 0 through v2026-05-04.0

CVE-2026-54424. CVSS 3.1 base score 8.4 (HIGH, Vendor/CNA). EPSS 0.00185 (percentile 0.07721), scored 24-Oct-2026.

Affected technology

Parsec · 0 through v2026-05-04.0
Unity

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · No user interaction required

What an attacker can do

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. Vendor/CNA’s CVSS 3.1 assessment (base score 8.4/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-648
CCR priority: 33.6 /100 (P4)
CVSS 3.1: 8.4 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00185 · percentile 0.08059 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54424.html