Windows 11 January 2026 Update: Mostly fixes for consumers, as Windows Server KB5073379, KB5073450 ships for enterprises

The Windows 11 January 2026 Update is focused on security fixes for consumers, with separate updates for Windows Server aimed at enterprises. The Patch Tuesday includes up to 114 security fixes and addresses three zero-day vulnerabilities. Notable changes include the removal of older modem drivers and updates to security features like Secure Boot certificates. The update also introduces new features like an Advanced Settings page and a revamped Start menu. Windows 10 also receives an update with security improvements, including the removal of old modem drivers and updates to core components.