CVE-2026-50032 HIGH

CVE-2026-50032: NULL Pointer Dereference in MZ Automation libIEC61850

Vendor Mz Automation
Product libIEC61850
Weakness CWE-476
Published July 23, 2026
Last update July 24, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 23, 2026 CVE published
July 24, 2026 Record updated