Microsoft has published KB5070186 — a Safe OS (WinRE) Dynamic Update for Windows 11, version 24H2 and 25H2, and Windows Server 2025 — dated November 11, 2025, that refreshes the Windows Recovery Environment used by Reset, Automatic Repair, and cloud reinstall flows; the package is available through Windows Update, the Microsoft Update Catalog, and WSUS, and when applied it sets the WinRE image version to 10.0.26100.7149. Background / Overview
Windows uses a compact, pre‑boot runtime called...