Microsoft Ests

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Windows 11 Copilot Windows Update Cybersecurity Privacy

4 weeks ago 1 min read

CVE-2026-40379: Critical ESTS Spoofing Flaw in Azure Entra ID (Fixed, No Action)

Microsoft has fixed a critical vulnerability in its Enterprise Security Token Service (ESTS) that could have allowed attackers to spoof authentication tokens and gain unauthorized access to any Azure...

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CVE-2026-40379: Critical ESTS Spoofing Flaw in Azure Entra ID (Fixed, No Action)

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