CVE-2026-4827 HIGH

CVE-2026-4827: Insufficient Entropy vulnerability on Multiple Products

Vendor Schneider Electric
Product Easergy MiCOM C264
Weakness CWE-331
Published May 12, 2026
Last update May 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 14, 2026 Record updated