CVE-2021-47866: Honeywell Win-Pack Pro

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

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

• Honeywell Win-Pack Pro: version 4.8 only

Published 2026-01-21. Last modified 2026-06-17.