CVE-2021-47866

HIGH

WIN-PACK PRO 4.8 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47866. PoCs published by Alan Mondragon.

AI-analyzed exploit summary This is a writeup describing an unquoted service path vulnerability in Winpakpro 4.8's GuardTourService. The vulnerability could allow local privilege escalation if an attacker can place executable code in a path that the service resolves due to the unquoted path.

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.

Exploits (1)

exploitdb WRITEUP
by Alan Mondragon · textlocalwindows
https://www.exploit-db.com/exploits/49690

This is a writeup describing an unquoted service path vulnerability in Winpakpro 4.8's GuardTourService. The vulnerability could allow local privilege escalation if an attacker can place executable code in a path that the service resolves due to the unquoted path.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: Winpakpro 4.8
Auth required
Prerequisites: Local access to the system · Ability to write to a directory in the unquoted service path
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 7.8
EPSS 0.0013
EPSS Percentile 2.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-428
Status published
Products (1)
Honeywell/WIN-PACK PRO 4.8
Published Jan 21, 2026
Tracked Since Feb 18, 2026