Microsoft starts rolling out Windows 11 26H2 with security focus

Microsoft has begun rolling out Windows 11 26H2, also called the Windows 11 2026 Update, delivered as an enablement package on top of 24H2/25H2. It adds Administrator protection, built-in Sysmon, post-quantum cryptography with ML-KEM and ML-DSA, plus new Start menu and taskbar options, and extends support by two years.

• Ships as an enablement package and adds two more years of support
• Adds Administrator protection, built-in Sysmon and Smart App Control without a clean install
• Post-quantum cryptography support for ML-KEM and ML-DSA via CNG and .NET
• New Start menu views, taskbar positions and NPU usage tracking in Task Manager