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Potential Risk of Privilege Escalation in Azure AD Applications

Guest MSRC

By Guest MSRC
in Microsoft Products Support & Discussions

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Guest MSRC

Guest MSRC

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Summary Summary Microsoft has developed mitigations for an insecure anti-pattern used in Azure AD (AAD) applications highlighted by Descope, and reported to Microsoft, where use of the email claim from access tokens for authorization can lead to an escalation of privilege. An attacker can falsify the email claim in tokens issued to applications.

 

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