Auth bypass in Simopro Technology Winmatrix
CVE-2026-6348
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Simopro Technology Winmatrix — versions 3.5.13
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10839-2d9a7-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-10840-ba9b9-2.html (third-party-advisory)
Frequently asked questions
- What is CVE-2026-6348?
- CVE-2026-6348 is a high-severity vulnerability in Simopro Technology Winmatrix, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2026-04-16.
- How severe is CVE-2026-6348?
- High severity. CVSS v3 base score is 8.8 out of 10.