Microsoft has patched three critical zero-day SharePoint security flaws that hackers have already exploited to attack more vulnerable organizations. Responding to the exploits, the software giant ...

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Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises ...

The hackers behind the initial wave of attacks exploiting a zero-day in Microsoft SharePoint servers have so far primarily targeted government organizations, according to researchers and news reports.

Microsoft issued an emergency fix to close off a vulnerability in its SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least some federal agencies.

Microsoft has alerted businesses and governments to "active attacks" on its popular SharePoint collaboration software. Patches have been issued for two versions of SharePoint software, while one ...

Microsoft has issued an alert about “active attacks” on server software used by government agencies and businesses to share documents within organizations, and recommended security updates that ...

Authorities and researchers are sounding the alarm over the active mass exploitation of a high-severity vulnerability in Microsoft SharePoint Server that’s allowing attackers to make off with ...

Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...

Microsoft has issued an alert about “active attacks” on server software used by government agencies and businesses to share documents within organizations and recommended security updates that ...

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Update 7/21/25: Added links to the security updates for Microsoft SharePoint 2019. Critical zero-day vulnerabilities in Microsoft SharePoint, tracked as CVE-2025-53770 and CVE-2025-53771, have been ...