CVE-2026-6348 Simopro Technology｜WinMatrix - Missing Authentication
Local attackers can execute arbitrary code with SYSTEM privileges on the host and connected environment due to missing authentication in the WinMatrix agent.
- 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-2026-6348?
CVE-2026-6348 is a critical missing authorization vulnerability in Simopro Technology WinMatrix, published on 16 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
WinMatrix agent developed by Simopro Technology has a Missing Authentication vulnerability, allowing authenticated local attackers to execute arbitrary code with SYSTEM privileges on the local machine as well as on all hosts within the environment where the agent is installed.
Weakness: CWE-306
Which versions are affected by CVE-2026-6348?
How do I fix CVE-2026-6348?
No fix has been published for CVE-2026-6348 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-6348 being exploited?
There is no known exploitation of CVE-2026-6348 in the wild and no public exploit code.
Sources
Also known as GHSA-ppm7-9255-8gmf.