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CVE-2026-4827

Insufficient Entropy vulnerability on Multiple Products

HIGH
8.7
CVSS Score
Published: May 12, 2026 at 12:24 PM UTC
Updated: October 26, 2026 at 06:10 PM UTC
14 products affected across 1 vendorEasergy T300Saitel DPEcoStruxure Power Operation

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Severity
HIGH8.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Easergy C5· Schneider Electric
90%
Version 1.1.17 and prior
Easergy P5· Schneider Electric
90%
V02.502.103 and prior
Easergy T300· Schneider Electric
90%
Version 2.9.4 and prior
EcoStruxure Power Operation· Schneider Electric
90%
Version 2022 CU6 and priorVersion 2024 CU2 and prior
EcoStruxure Power Automation System Gateway (EPAS-GTW)· Schneider Electric
90%
Version 6.4.616.200.100 and prior
EcoStruxure Power Automation System User Interface (EPAS-UI)· Schneider Electric
90%
Version 3.0.3 and prior
iPMFLS· Schneider Electric
90%
Version 64.2025.0.13 and prior
Easergy MiCOM C264· Schneider Electric
90%
Versions D6.xVersions D7.33 and prior
Easergy MiCOM P30· Schneider Electric
90%
C434 version prior to C434.679.700P138 version prior to P138.677.700P139 version prior to P139.678.700P436 version prior to P436.677.701P437 version prior to P437.678.700P438 version prior to P438.677.701P439 version prior to P439.678.700P532 version prior to P532.678.700P539 version prior to P539.678.700P631 version prior to P631.678.700P632 version prior to P632.678.700P633 version P633.680.700 onlyP633 version prior to P633.678.700P634 version P634.680.700 onlyP634 version prior to P634.678.700P638 version prior to P638.677.700
Easergy MiCOM P40· Schneider Electric
90%
Series model numbers with Protocol Option bit as G, H or L and all firmware versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-132-02.pdf

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHschneider
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-331

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