CVE-2026-6348 PUBLISHED

Simopro Technology｜WinMatrix - Missing Authentication

Assigner: twcert
Reserved: 15.04.2026 Published: 16.04.2026 Updated: 16.04.2026

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.

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Local	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Simopro Technology
Product	WinMatrix
Versions	Default: unaffected affected from 3.5.13 to 3.5.26.15 (incl.)

Solutions

Update agent to version 3.5.27.5 or later.

References

Problem Types

CWE-306 Missing authentication for critical function CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs