Microsoft issues urgent patch for critical SharePoint zero-day exploit ‘ToolShell’ used in attacks on businesses and US agencies; patch on-prem servers now.

Microsoft is issuing an emergency fix to close off a vulnerability in Microsoft’s SharePoint software that hackers have ...

A warning has been issued to Microsoft users detailing a cybersecurity flaw that allowed hackers to access its SharePoint ...

A new, critical 'zero-day' vulnerability (CVE-2025-53770) in on-premises Microsoft SharePoint servers has led to a global cyberattack, compromising dozens of US government agencies and businesses.

The SharePoint software is used by thousands of government agencies, universities and private businesses around the world; at ...

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organisations as of the ...