Microsoft’s April 2026 Patch Tuesday is one of the largest and most urgent security update cycles on record, addressing 163–167 vulnerabilities across Windows, Microsoft 365, Office, SharePoint, Defender, Azure components, and core infrastructure services.
Microsoft has released its March 2026 Patch Tuesday security updates, addressing over 80 vulnerabilities across Windows, Microsoft Office, SQL Server, .NET, Azure, and related components. While no vulnerabilities are currently confirmed as being actively exploited in the wild, two publicly disclosed zero‑day flaws and several critical Office vulnerabilities

