CVE-2021-47879 eBeam Interactive Suite 3.6 - 'eBeam Stylus Driver' Unquoted Service Path

High 8.5 Published Updated

Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in the eBeam Stylus Driver.

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-2021-47879?

CVE-2021-47879 is a high-severity vulnerability in Luidia eBeam Interactive Suite, 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

eBeam Interactive Suite 3.6 contains an unquoted service path vulnerability in the eBeam Stylus Driver service that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Luidia\eBeam Stylus Driver\ to inject malicious executables that would run with LocalSystem permissions.

Weakness: CWE-428

Which versions are affected by CVE-2021-47879?

How do I fix CVE-2021-47879?

No fix has been published for CVE-2021-47879 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-47879 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47879 exists.

Sources

Also known as GHSA-789x-mpr7-mhhv.

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