CVE-2019-25287

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 v4.0

8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.15% chance of exploitation in the next 30 days, 4th percentile

Published

2026-02-04

Updated

2026-02-05

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/47597

References

• CVE Record
• NVD entry

Related

• CVE-2019-25286
• CVE-2019-25288
• CVE-2019-25285
• CVE-2019-25289
• CVE-2019-25284
• CVE-2019-25290