CVE-2026-50039CWE-121

Stack-based Buffer Overflow in MZ Automation libIEC61850

High · published July 23, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to cause a memory corruption via a Read Request.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00458 · 38.7th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-07-23T20:32Z
EPSS history
Timeline
  • 23 JUL 20:32Z
    Stack-based Buffer Overflow in MZ Automation libIEC61850
    cvelistv5