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January, 2025

New Vulnerability in Entra ID: Users were able to change their own Username
New Vulnerability in Entra ID: Users were able to change their own Username

New Vulnerability in Entra ID: Users were able to change their own Username Another Microsoft security vulnerability became known over the past week. It was possible for users and, under certain conditions, external users (guests) to change their so-called "User Principal Name (UPN)." The UPN is the primary sign-in attribute used in the Microsoft world... » read more

Julian Sperling written 3 months ago
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