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High 7.5Published Jul 23, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects MZ Automation libIEC61850. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-476
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
icscert
NVD analysis
Deferred
Record last updated
Jul 24, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
MZ Automation libIEC61850
mz_automation:libiec61850 (from the name)
from 1.0.0 through 1.6.1
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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