Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47810WibuKey Runtime 6.51 - 'WkSvW32.exe' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in WibuKey Runtime from Wibu. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 86.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wibu | WibuKey Runtime | 6.51 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-49999 exploit
- Vendor Homepage product
- Software Download Page product
- VulnCheck Advisory: WibuKey Runtime 6.51 - 'WkSvW32.exe' Unquoted Service Path third-party-advisory