High severity7.8NVD Advisory· Published Feb 5, 2026· Updated Apr 15, 2026

CVE-2019-25287

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.

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Affected products

Nomachine/Nx Web Companionllm-fuzzy
Range: = 4.8.2078.3950

Patches

Vulnerability mechanics

References

webcompanion.com/en/nvd
www.exploit-db.com/exploits/47597nvd
www.vulncheck.com/advisories/adaware-web-companion-version-wcassistantservice-unquoted-service-pathnvd

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