CVE-2026-4827 (GCVE-0-2026-4827)

Vulnerability from cvelistv5 – Published: 2026-05-12 12:24 – Updated: 2026-05-14 17:38
VLAI
Title
Insufficient Entropy vulnerability on Multiple Products
Summary
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.
Severity
8.7 (High)
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
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Schneider Electric Easergy MiCOM C264 Affected: Versions D6.x
Affected: Versions D7.33 and prior
Create a notification for this product.
Schneider Electric Easergy C5 Affected: Version 1.1.17 and prior
Create a notification for this product.
Schneider Electric Easergy MiCOM P30 Affected: P139 version prior to P139.678.700
Affected: P437 version prior to P437.678.700
Affected: P439 version prior to P439.678.700
Affected: P532 version prior to P532.678.700
Affected: P539 version prior to P539.678.700
Affected: P631 version prior to P631.678.700
Affected: P632 version prior to P632.678.700
Affected: P633 version prior to P633.678.700
Affected: P634 version prior to P634.678.700
Affected: P633 version P633.680.700 only
Affected: P634 version P634.680.700 only
Affected: P138 version prior to P138.677.700
Affected: P436 version prior to P436.677.701
Affected: P438 version prior to P438.677.701
Affected: P638 version prior to P638.677.700
Affected: C434 version prior to C434.679.700
Create a notification for this product.
Schneider Electric Easergy MiCOM P40 Affected: Series model numbers with Protocol Option bit as G, H or L and all firmware versions
Create a notification for this product.
Schneider Electric EcoStruxure™ Power Automation System Gateway (EPAS-GTW) Affected: Version 6.4.616.200.100 and prior
Create a notification for this product.
Schneider Electric EcoStruxure™ Power Automation System User Interface (EPAS-UI) Affected: Version 3.0.3 and prior
Create a notification for this product.
Schneider Electric EcoStruxure™ Power Operation Affected: Version 2022 CU6 and prior
Affected: Version 2024 CU2 and prior
Create a notification for this product.
Schneider Electric iPMFLS Affected: Version 64.2025.0.13 and prior
Create a notification for this product.
Schneider Electric PowerLogic™ P5 Protection Relay Affected: V02.502.103 and prior
Create a notification for this product.
Schneider Electric PowerLogic™ P7 Protection and Control Platform Affected: V02.002.002 and prior
Create a notification for this product.
Schneider Electric PowerLogic™ T300 Affected: Version 2.9.4 and prior
Create a notification for this product.
Schneider Electric PowerLogic™ T500 Affected: Version 11.08.02 and prior
Create a notification for this product.
Schneider Electric Saitel DP Affected: Version 11.06.36 and prior
Create a notification for this product.
Schneider Electric EasyLogic T150 (formerly Saitel DR) Affected: Version 11.06.30 and prior
Create a notification for this product.
Date Public
2026-05-12 16:49
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.