Microsoft released KB5079473 on March 10, 2026. The update is identified by the OS builds 26200.8037 and 26100.8037 and appears on Microsoft’s support site as a cumulative update for Windows 11. What the entry shows KB identifier and date: The article is titled “March 10, 2026 — KB5079473 (OS Builds 26200.8037 and 26100.8037)” and is published on Microsoft’s official support