If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive.

Microsoft says the Chinese threat actors Linen Typhoon, Violet Typhoon, and Storm-2603 have been exploiting the ToolShell ...

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft ...

A botched security patch by Microsoft has left its widely-used SharePoint Server exposed to a critical vulnerability—fueling ...

The active exploitation of a zero-day vulnerability in Microsoft SharePoint has led to a sweeping cyberattack involving over ...

Microsoft has started releasing updates to fix the exploited SharePoint zero-days tracked as CVE-2025-53770 and CVE-2025-53771.

A security patch Microsoft released this month failed to fully fix a critical flaw in the U.S. tech giant's SharePoint server ...

This Alert was updated to reflect newly released information from Microsoft, and to correct the actively exploited Common Vulnerabilities and Exposures (CVEs), which have been confirmed ...

A security patch released by Microsoft last month failed to fully fix a critical flaw in U.S. tech giant's SharePoint server ...

An ongoing cyberattack campaign known as “ToolShell” is exploiting on-premises Microsoft SharePoint Servers and has ...

While all patches against ‘ToolShell’ exploits are now available for on-premises SharePoint Servers, attackers will be ...

The term "zero-day" attack refers to when a previously unknown vulnerability is targeted. Tens of thousands of servers are ...