Microsoft Patch Tuesday April 2026: 167 CVEs, Active SharePoint Zero-Day, and Wormable Networking RCEs
April 2026 Patch Tuesday is the largest in years: 167 CVEs from Microsoft plus 344 released throughout the month for 512 total updates. An actively exploited SharePoint zero-day, wormable RCEs in Remote Desktop and Active Directory, and preview-pane Office exploits demand immediate action.