Security Bug Allows Anyone To Spoof Microsoft Employee Emails

A researcher has found a bug that allows anyone to impersonate Microsoft corporate email accounts, making phishing attempts look credible and more likely to trick their targets. From a report: As of this writing, the bug has not been patched. To demonstrate the bug, the researcher sent an email to TechCrunch that looked like it was sent from Microsoft's account security team. Last week, Vsevolod Kokorin, also known online as Slonser, wrote on X (formerly Twitter) that he found the email-spoofing bug and reported it to Microsoft, but the company dismissed his report after saying it couldn't reproduce his findings. This prompted Kokorin to publicize the bug on X, without providing technical details that would help others exploit it.

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