CVE-2023-54331 HIGH

CVE-2023-54331: Outline 1.6.0 - Unquoted Service Path

Vendor Getoutline
Product Outline
Weakness CWE-428
Published January 13, 2026
Last update March 5, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Outline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the OutlineService executable to inject malicious code that will be executed with LocalSystem permissions.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
March 5, 2026 Record updated