CVE-2021-47810: Wibu Wibukey

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

WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.

Affected products

• Wibu Wibukey: version 6.51 only

Published 2026-01-16. Last modified 2026-06-17.