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

In order to know what's wrong, Microsoft is asking users to share their feedback and logs via the Feedback Hub.

Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" ...