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 ...

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 ...

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 ...

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 ...

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 ...

More than 400 systems have been compromised so far, according to researchers at Eye Security, and reports indicate that federal education and energy agencies are among the victims. More than 400 ...

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 ...

Microsoft has announced a feature update release cadence for SharePoint Server Subscription Edition with Version 22H2 now available as the first of these updates. It has also detailed what's next.

Microsoft on Tuesday announced multiple SharePoint, OneDrive, Stream and Lists improvements to come, along with the debut of "Copilot in SharePoint." Microsoft's "kitchen-sink" approach to announcing ...

Microsoft has unveiled a public preview of its collaborative agents in Microsoft 365 Copilot, bringing a array of "always‑on" agents grounded in context for channels, meetings, SharePoint sites, Viva ...

Microsoft this week released a public‑preview of its collaborative agents in Microsoft 365 Copilot, bringing a suite of "always‑on" agents grounded in context for channels, meetings, SharePoint sites, ...