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Tom’s Guide
Tom’s Guide
Technology
Amber Bouman

The SharePoint flaw has now hit over 400 companies including a US nuclear administration

The Microsoft logo on a sign at the company's Redmond, Washington, headquarters.

The SharePoint vulnerabilities that Microsoft released emergency patches for earlier this week – tracked as CVE-2025-53770 and CVE-2025-53771 – have been exploited much further than previously thought.

As reported by Bloomberg, the number of companies and organizations affected by the two exploits has grown to more than 400 in just a few days.

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