Matrix42 Remote Control Host vulnerability

Matrix42 Remote Control Host 3.20.0031 contains an unquoted service path vulnerability in the FastViewerRemoteService and FastViewerRemoteProxy services that allows local users to execute arbitrary code with SYSTEM privileges. Attackers can place a malicious executable in the Program Files directory with a crafted name to be executed by the service during startup, gaining elevated privileges.

Published 19 Jun 2026Updated 29 Sep 20263 sources
CVSS 8.5

What happened

Matrix42 Remote Control Host 3.20.0031 contains an unquoted service path vulnerability in the FastViewerRemoteService and FastViewerRemoteProxy services that allows local users to execute arbitrary code with SYSTEM privileges. Attackers can place a malicious executable in the Program Files directory with a crafted name to be executed by the service during startup, gaining elevated privileges.

Affected versions

Matrix42 Remote Control Host: 3.20.0031 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.