High 7.8Published Feb 4, 2026

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

Updated under an hour ago (Oct 26, 2026, 2:20 PM ET)

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It affects Webcompanion Adaware Web Companion version. Add what you run to find out whether that includes you.

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Exploited in the last 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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-428
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Feb 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Webcompanion Adaware Web Companion version webcompanion:adaware_web_companion_version (from the name)	4.8.2078.3950	CNA record

References

References

https://www.exploit-db.com/exploits/47597	exploit
https://webcompanion.com/en/	product
https://www.vulncheck.com/advisories/adaware-web-companion-version-wcassistantservice-unquoted-service-path	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.