Is CVE-2026-105043 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-105043?

CVE-2026-105043 has a CVSS v3 severity of LOW (3.6).

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CVE-2026-105043

Description

MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution.