Microsoft has released security patches for the zero-day vulnerability chain dubbed ToolShell, capable of remote code ...

The attacks on SharePoint servers exploited known vulnerabilities for which patches were already available. It remains to be ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and ...

Critical zero-day vulnerabilities in Microsoft SharePoint, tracked as CVE-2025-53770 and CVE-2025-53771, have been actively ...

A U.S. nuclear agency was among the victims of the SharePoint vulnerability chain, which was exploited to compromise over 54 ...

Microsoft has pointed the finger at three Chinese nation-state actors for exploiting the SharePoint vulnerabilities. Here's what we know about the security flaws and how to guard against future ...

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

Microsoft also has issued a patch for a related SharePoint vulnerability — CVE-2025-53771; Microsoft says there are no signs ...

CISA has mandated immediate mitigation for federal agencies, while analysts urge enterprises to accelerate cloud migration ...

The newly discovered flaw in Microsoft's SharePoint software has allowed hackers to target dozens of companies and ...

Security researchers say Microsoft customers should take immediate action to defend against the ongoing cyberattacks, and ...

Hackers have been exploiting two zero-day vulnerabilities in on-premises installations of Microsoft SharePoint to gain remote ...