P4Verified

CVE-2026-41451: uac 0 to before 3.3.0

CVE-2026-41451. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.01171 (percentile 0.66805), scored 14-Oct-2026.

Affected technology

uac · 0 to before 3.3.0
tclahr

Description’s affected range: versions prior to 3.3.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can inject shell metacharacters such as command substitution syntax or semicolons through crafted usernames or home directory paths in /etc/passwd entries to execute arbitrary commands on the analyst's host system. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.

Published 15-Oct-2026 20:21 UTC

CWE: CWE-78
CCR priority: 31.5 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.01171 · percentile 0.66805 · 2026-10-14
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 20:17:11.213245+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-41451.html