Microsoft issued an emergency fix to close off a vulnerability in its SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least some federal agencies.

Attackers are using a remote execution code on vulnerable systems to initiate a zero-day exploit called "ToolShell" that is ...

Microsoft said in its blog post that it discovered at least dozens of systems were compromised around the world.

Microsoft has released two emergency patches to address zero-day vulnerabilities that have been found in SharePoint RCE.

Microsoft has issued an emergency fix for SharePoint software due to a zero-day vulnerability. Hackers exploited this flaw, ...

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

Microsoft is investigating an ongoing incident causing intermittent issues for users attempting to access SharePoint Online sites.

Microsoft asked customers this week to disregard incorrect Windows Firewall errors that appear after rebooting their systems following the installation of the June 2025 preview update.

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