Vulnerability · Published Jan 21, 2026 · Assigned by VulnCheck
CVE-2021-47866WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in WIN-PACK PRO from Honeywell. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
WIN-PACK PRO 4.8 contains an unquoted service path vulnerability in the GuardTourService that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in C:\Program Files <x86>\WINPAKPRO\WP GuardTour Service.exe to inject malicious code that would execute during service startup.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Honeywell | WIN-PACK PRO | 4.8 |
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-49690 exploit
- Honeywell Product Webpage product
- VulnCheck Advisory: WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path third-party-advisory