CVE-2021-47974 VX Search 13.5.28 Unquoted Service Path Privilege Escalation

High 8.5 Published Updated

Local attackers can escalate privileges to LocalSystem by placing malicious executables in unquoted service path directories.

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-2021-47974?

CVE-2021-47974 is a high-severity vulnerability in Vxsearch VX Search, published on 16 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VX Search 13.5.28 contains an unquoted service path vulnerability in both VX Search Server and VX Search Enterprise services that allows local attackers to escalate privileges. Attackers can place malicious executables in unquoted path directories like C:\Program Files\VX Search to execute arbitrary code with LocalSystem privileges when services restart.

Weakness: CWE-428

Which versions are affected by CVE-2021-47974?

How do I fix CVE-2021-47974?

No fix has been published for CVE-2021-47974 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-47974 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47974 exists.

Sources

Also known as GHSA-2jpw-mvcx-5wqh.

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