CVE-2025-21259

Summary

CVE-2025-21259 refers to a Microsoft Outlook spoofing vulnerability. Hackers can exploit this flaw to manipulate email addresses in the "From" field, potentially tricking users into revealing sensitive information or downloading malicious attachments. This issue can lead to serious security consequences, including data breaches and unauthorized access. Microsoft has released a patch to address this vulnerability, and users are encouraged to update their software promptly to protect against potential attacks.

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