CVE-2025-21396

Summary

CVE-2025-21396 is a recently disclosed vulnerability affecting Microsoft Accounts. This issue arises from a missing authorization mechanism, allowing unauthorized attackers to gain elevated privileges over a network. An attacker can potentially exploit this vulnerability to access sensitive information or install malware, posing a significant risk to organizations and individuals using the affected Microsoft Accounts. It is important to note that successful exploitation of this vulnerability requires network access, making network security a critical defense against this threat. Microsoft has released a patch to address this issue, and it is recommended that users apply the update as soon as possible to mitigate the risk.

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