june 2026

  1. KB5065474 Hotpatch for Windows 11 LTSC 2024: OS Build 26100.6508 & PSDirect Fix

    Microsoft released a September 9, 2025 hotpatch—KB5065474—for Windows 11 Enterprise LTSC 2024 that advances hotpatch coverage to a new OS build (26100.6508), addresses a notable UAC/MSI compatibility issue, and includes a known‑issue advisory that affects PowerShell Direct (PSDirect)...
  2. Windows 11 24H2: Setup and Safe-OS Dynamic Update for 2025

    Microsoft quietly published two targeted Dynamic Update packages for Windows 11, version 24H2 (and Windows Server 2025) — KB5065378 (a Setup Dynamic Update) and KB5064097 (a Safe OS / WinRE Dynamic Update) — on August 29, 2025, delivering refreshed setup binaries and a new Windows Recovery...
  3. Windows 10 19045.6276 Release Preview: ESU network control, Backup GA, Secure Boot expiry

    Microsoft’s Release Preview push for Windows 10 Build 19045.6276 (KB5063842) is a terse but consequential update: delivered as an optional, non-security cumulative preview, it bundles a set of targeted reliability fixes while surfacing two management-facing capabilities that matter to IT teams —...
  4. KB5063878: August 2025 Windows 11 24H2 Update & Secure Boot Readiness

    Microsoft released the August 12, 2025 cumulative security update for Windows 11, version 24H2 — KB5063878 (OS Build 26100.4946) — a combined LCU+SSU package that continues July’s quality fixes, delivers component updates for Copilot+ AI features, and reiterates a critical Windows Secure Boot...