Microsoft SharePoint zero-day breach hits 75 servers: Here’s what the company said
A critical zero-day vulnerability, CVE-2025-53770, is actively exploited in Microsoft SharePoint, impacting 75 company servers, including major corporations and US government agencies. This flaw allows unauthenticated remote code execution. Microsoft is working on a security update and advises users to enable AMSI, deploy Defender AV, or disconnect servers from the internet.
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