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 ...

NEW YORK (AP) — Microsoft has issued an emergency fix to close off a vulnerability in Microsoft’s widely-used SharePoint software that hackers have exploited to carry out widespread attacks on ...

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 ...

While all patches against ‘ToolShell’ exploits are now available for on-premises SharePoint Servers, attackers will be looking to utilize the vulnerabilities for months to come, security researchers ...

The U.S. federal government and cybersecurity researchers say a newly discovered security bug found in Microsoft’s SharePoint is under attack. U.S. cybersecurity agency CISA sounded the alarm this ...

Microsoft said three hacking groups tied to China have exploited a vulnerability affecting some versions of its SharePoint collaboration software. SharePoint enables people inside organizations to ...

Get the latest federal technology news delivered to your inbox. The Department of Homeland Security was affected by a broad intrusion into on-premises versions of Microsoft SharePoint, according to ...

Editor’s note: This is a guest analysis from Christopher Budd, who previously spent a decade at the Microsoft Security Response Center (MSRC). Emergency security teams know summer weekends are made ...

Hundreds of organizations around the world suffered data breaches this week, as an array of hackers rushed to exploit a recently discovered vulnerability in older versions of the Microsoft ...

Microsoft Graph provides one unified API to search all content in SharePoint, OneDrive, Outlook, and other Microsoft 365 services. That changes how we build SharePoint applications. SharePoint’s role ...

Microsoft has issued an emergency fix to close off a vulnerability in Microsoft’s widely-used SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least ...