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

High 8.5 Published Updated

Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in WIN-PACK PRO.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-47867?

CVE-2021-47867 is a high-severity vulnerability in Security Winpakpro, published on 21 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

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.

Weakness: CWE-428

Which versions are affected by CVE-2021-47867?

How do I fix CVE-2021-47867?

No fix has been published for CVE-2021-47867 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-47867 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47867 exists.

Sources

Also known as GHSA-p2mj-q764-7j4j.

Is CVE-2021-47867 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free