NULL pointer dereference in Mz Automation Libiec61850

CVE-2026-50032

A NULL pointer dereference in the MMS Write Named Variable List handler, which may allow a network adjacent attacker to crash the server by sending a WriteRequest with an empty listOfData field.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-50032?
CVE-2026-50032 is a high-severity vulnerability in Mz Automation Libiec61850, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-07-23.
How severe is CVE-2026-50032?
High severity. CVSS v3 base score is 7.5 out of 10.