March 2026 Patch Tuesday: 83 Vulnerabilities, Two Publicly Disclosed Zero-Days

Microsoft’s March 2026 Patch Tuesday addresses 83 vulnerabilities across Windows and Microsoft products, including two publicly disclosed zero-days (CVE-2026-26127 .NET DoS and CVE-2026-21262 SQL Server EoP), eight critical-severity flaws (including RCEs and Azure/Office issues), and several ‘‘Exploitation More Likely’’ local elevation-of-privilege bugs; organizations are advised to prioritize patching SQL Server, Azure services, kernel/SMB/Winlogon-related updates, and internet-facing .NET/Office assets.