Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...

Update 7/21/25: Added links to the security updates for Microsoft SharePoint 2019. Critical zero-day vulnerabilities in Microsoft SharePoint, tracked as CVE-2025-53770 and CVE-2025-53771, have been ...