Windows 11’s March 2026 Preview Update Ships a Native Security Tool IT Teams Have Needed for a Decade Microsoft released KB5079489 on March 26, 2026, as an optional, non-security preview cumulative update for Windows 11 version 26H1. Preview status means it won’t install automatically; you have to select it

Windows 11 finally ships built-in Sysmon, no Sysinternals needed. KB5079489 also puts a speed test right in your taskbar. #KB5079489 #Windows11 #AdwaitX #TechNews