Microsoft's April Security Update Addresses 163 Vulnerabilities, Including Three Zero-Days

Microsoft has released its April 2026 Patch Tuesday updates, which include fixes for 163 security vulnerabilities across various products. Notably, the update addresses three zero-day flaws, with one actively exploited vulnerability impacting SharePoint Server that could enable spoofing attacks. Additionally, the patches resolve eight critical vulnerabilities, underscoring the importance of applying these updates to maintain system security.