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Critical SharePoint Flaw Exposes 85 Organizations to Cyber Attacks

7/21/2025

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Summary

Story summary

A dangerous zero-day vulnerability, CVE-2025-53770, is wreaking havoc in Microsoft SharePoint Server, impacting over 85 organizations worldwide. Cybercriminals are leveraging this flaw to execute remote code and pilfer cryptographic keys, making recovery a daunting task. Microsoft is racing to release a patch and urges users to take immediate protective measures, such as configuring AMSI integration.

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Story summary

A dangerous zero-day vulnerability, CVE-2025-53770, is wreaking havoc in Microsoft SharePoint Server, impacting over 85 organizations worldwide. Cybercriminals are leveraging this flaw to execute remote code and pilfer cryptographic keys, making recovery a daunting task. Microsoft is racing to release a patch and urges users to take immediate protective measures, such as configuring AMSI integration.