secure boot certificates

  1. 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...
  2. Windows Backup for Organizations: Release Preview Adds Tenant‑Gated Restore

    Microsoft’s August preview updates quietly deliver a major new enterprise capability: Windows Backup for Organizations has been promoted into Release Preview and is being positioned as the supported, tenant‑gated path for backing up and restoring user settings and Microsoft Store app lists in...
  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. Windows 11 KB5066189: OOB Fix for Reset/Cloud Recovery & Secure Boot Expirations

    Microsoft released an out‑of‑band update on August 19, 2025 — KB5066189 for Windows 11 (OS Builds 22621.5771 and 22631.5771) — to fix a high‑impact regression introduced earlier in the August security rollup that broke Reset and cloud recovery flows, while reiterating a separate, platform‑level...
  5. KB5066189: Out-of-Band Windows 11 SSU and Reset/Recovery Fix

    Microsoft released an out‑of‑band update on August 19, 2025—KB5066189—for Windows 11 devices on the 22621 and 22631 build families (OS Builds 22621.5771 and 22631.5771). The package is an optional, non‑security rollup that patches a regression introduced by the August 2025 monthly updates...
  6. KB5066189: Windows 11 Recovery Reset Fixed by Out-of-Band Update

    Microsoft released an out‑of‑band update on August 19, 2025—KB5066189 (OS Builds 22621.5771 and 22631.5771)—that quickly became the must‑install patch for Windows 11 22H2/23H2 devices affected by a regression introduced with the August security rollup; the update’s headline fix restores Reset...
  7. Netlogon Hardening (CVE-2025-49716) & KB5063880 Patch for Windows Server 2022 + Secure Boot 2026

    Microsoft's recent servicing cycle for Windows Server 2022 ties together two urgent security themes: Microsoft has pushed a cumulative update (KB5063880) that carries fixes and quality improvements while reiterating critical remediation guidance for a Netlogon Remote Protocol hardening released...
  8. Windows 11 Aug 2025 KB5063878: SSU+LCU, Copilot+ AI, and Secure Boot rollover

    Microsoft released the August 12, 2025 cumulative security update for Windows 11, version 24H2 — KB5063878 (OS Build 26100.4946) — a routine but important monthly package that bundles the latest cumulative fixes, updates to several AI components (targeted at Copilot+ devices), and an updated...
  9. 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...
  10. Windows 11 24H2 August 2025 KB5063878: SSU+LCU, AI updates, and Secure Boot expiry

    Microsoft has shipped the August 12, 2025 cumulative security update for Windows 11, version 24H2 (KB5063878, OS Build 26100.4946), a routine Patch Tuesday release that combines the latest servicing stack update with the monthly cumulative update, patches a range of security issues, and contains...
  11. Windows 11 KB5062663 Update (OS Build 22621.5699): Key Highlights & Fixes

    Here is a summary of the July 22, 2025—KB5062663 (OS Builds 22621.5699) Preview update for Windows 11 version 23H2: Key Highlights 1. Secure Boot Certificate Expiration Notice Secure Boot certificates used by most Windows devices are set to expire starting June 2026. If not updated, some...
  12. Windows 11 July 2025 KB5062663 Update – Key Improvements & Security Notices

    Here are the key details and highlights from the Microsoft support page for the July 22, 2025—KB5062663 (OS Builds 22621.5699) Preview update for Windows 11 version 23H2: Overview Release Date: July 22, 2025 Update Version: OS Builds 22621.5699 and 22631.5699 Applies To: Windows 11 version...
  13. Windows 11 KB5062633 Update: Security Fixes & Critical Secure Boot Warning

    Microsoft has released Windows 11 KB5062633 for version 23H2, promising a focused set of bug fixes rather than new features, while also underscoring a critical warning about Secure Boot certificate expiration that enterprises—and attentive consumers—should not overlook. As an optional cumulative...
  14. Microsoft Releases KB5062839 Update for Windows 11 24H2 & Windows Server 2025 Improving Setup Reliability

    Microsoft has released KB5062839, a Setup Dynamic Update for Windows 11 version 24H2 and Windows Server 2025, dated July 22, 2025. This update enhances the Windows setup binaries and associated files utilized during feature updates, aiming to improve the reliability and efficiency of the...
  15. Urgent Windows Update: Secure Boot Certificates Expire in June 2026 – What You Need to Know

    Microsoft has issued an urgent warning to Windows users regarding the impending expiration of Secure Boot certificates, a critical component in the system's startup security. These certificates are set to expire starting in June 2026, potentially affecting the ability of personal and business...
  16. Windows 11 24H2 & Windows Server 2025 KB5062688 Update Enhances Recovery & Security

    Here is a summary of the update described in the Microsoft Support KB article for KB5062688 (Safe OS Dynamic Update for Windows 11, version 24H2 and Windows Server 2025, released July 8, 2025): Summary This update improves the Windows recovery environment (WinRE) for Windows 11 24H2 and...
  17. Windows 11 KB5062693 Update Enhances Recovery Environment & Addresses Secure Boot Expiration

    Here is a summary of the KB5062693: Safe OS Dynamic Update for Windows 11, version 22H2 and 23H2, released on July 8, 2025: Summary Purpose: This update makes improvements to the Windows Recovery Environment (WinRE) in Windows 11, versions 22H2 and 23H2. Secure Boot Certificate Expiration...
  18. Microsoft Launches KB5062683 Update Enhancing Windows 11 Setup Reliability

    Microsoft has released KB5062683, a Setup Dynamic Update for Windows 11 versions 22H2 and 23H2, dated July 8, 2025. This update enhances the Windows setup binaries and other files utilized during feature updates, aiming to improve the reliability and efficiency of the installation process. Key...
  19. KB5062785: Essential Windows 11 24H2 & Windows Server 2025 Dynamic Update

    Here is a summary of the information in KB5062785: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025 (dated July 8, 2025): Overview KB5062785 provides a setup dynamic update targeting: Windows 11, version 24H2 (including SE, Home, Pro, Enterprise, Education, IoT...
  20. Microsoft Releases KB5062693 for Enhanced Windows 11 Recovery and Security

    Microsoft has released KB5062693, a Safe OS Dynamic Update for Windows 11 versions 22H2 and 23H2, dated July 8, 2025. This update enhances the Windows Recovery Environment (WinRE), ensuring a more robust and secure recovery process. Key Highlights of KB5062693: Windows Secure Boot Certificate...