CVE-2019-25287 Adaware Web Companion version 4.8.2078.3950 - 'WCAssistantService' Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in Adaware Web Companion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25287?
CVE-2019-25287 is a high-severity vulnerability in Webcompanion Adaware Web Companion version, published on 4 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-428
Which versions are affected by CVE-2019-25287?
How do I fix CVE-2019-25287?
No fix has been published for CVE-2019-25287 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-25287 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25287 exists.
Sources
Also known as GHSA-4h69-f6q3-6pjc.