CVE-2019-25287: Webcompanion Adaware Web Companion Version

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Webcompanion Adaware Web Companion Version: version 4.8.2078.3950 only

Published 2026-02-05. Last modified 2026-06-17.