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2 vulnerabilities found for Microsoft Enterprise Security Token Service (ESTS) by Microsoft

CVE-2026-40379 (GCVE-0-2026-40379)

Vulnerability from nvd – Published: 2026-05-12 16:58 – Updated: 2026-05-14 18:07 Exclusively Hosted Service
VLAI?
Title
Microsoft Enterprise Security Token Service (ESTS) Spoofing Vulnerability
Summary
Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network.
Severity ?
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Date Public ?
2026-05-07 14:00
Show details on NVD website
To clipboard 

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CVE-2026-40379 (GCVE-0-2026-40379)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:58 – Updated: 2026-05-14 18:07 Exclusively Hosted Service
VLAI?
Title
Microsoft Enterprise Security Token Service (ESTS) Spoofing Vulnerability
Summary
Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network.
Severity ?
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Date Public ?
2026-05-07 14:00
Show details on NVD website
To clipboard 

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