How severe is CVE-2026-6348?

CVE-2026-6348 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-6348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6348?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-6348 have an EU (EUVD) identifier?

Yes. CVE-2026-6348 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23163.

When was CVE-2026-6348 published?

CVE-2026-6348 was published on 2026-04-16 and last updated on 2026-06-17.

CVE-2026-6348

CVE-2026-6348 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23163
Weakness: CWE-306
Published: 2026-04-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-6348?: CVE-2026-6348 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-6348 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6348?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-6348 have an EU (EUVD) identifier?: Yes. CVE-2026-6348 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23163.
When was CVE-2026-6348 published?: CVE-2026-6348 was published on 2026-04-16 and last updated on 2026-06-17.

References

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

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CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

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