Vulnerability · Published Jan 21, 2026 · Assigned by VulnCheck

CVE-2021-47867WIN-PACK PRO 4.8 - 'ScheduleService' Unquoted Service Path

High 7.8

In plain English

A high-severity security flaw in Winpakpro from Security. 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 PRO4.8 contains an unquoted service path vulnerability in the ScheduleService that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in 'C:\Program Files <x86>\WINPAKPRO\ScheduleService Service.exe' to inject malicious code that would execute during service startup.

Affected products (as reported)

VendorProductVersions
Security Winpakpro 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