Microsoft Rolls Out Out-of-Band Fix – What You Need to Know Microsoft has quietly released a new out-of-band (OOB) update for Windows 11 — KB5085516 (OS Builds 26200.8039 and 26100.8039) on March 21, 2026. Unlike regular Patch Tuesday updates, this release was pushed urgently to address critical issues affecting system stability and enterprise environments. ⚡ […]