CVE-2019-25287 HIGH

CVE-2019-25287: Adaware Web Companion version 4.8.2078.3950 - 'WCAssistantService' Unquoted Service Path

Vendor Webcompanion
Product Adaware Web Companion version
Weakness CWE-428
Published February 4, 2026
Last update February 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

Adaware Web Companion version 4.8.2078.3950 contains an unquoted service path vulnerability in the WCAssistantService that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Lavasoft\Web Companion\Application\ to inject malicious code that would execute with LocalSystem privileges during service startup.

Key dates

02Disclosure timeline

February 4, 2026 CVE published
February 5, 2026 Record updated