Microsoft’s Patch Tuesday April 2026 release has introduced one of the most extensive security update rollouts of the year, addressing a total of 167 vulnerabilities across Windows operating systems and associated software.

This latest Microsoft Patch Tuesday also includes fixes for two zero-day vulnerabilities, one of which was actively exploited in real-world attacks, alongside critical flaws affecting SharePoint Server, Microsoft Defender, and Microsoft Office. 

The April edition of Microsoft Patch Tuesday highlights the complexity of modern cyber threats. Among the 167 vulnerabilities patched, eight are classified as “Critical.” Of these, seven involve remote code execution (RCE),...