latest cumulative update

  1. Windows 10 September 2025 KB5065429: End of Support Looms, ESU Bridge

    Microsoft's September cumulative — KB5065429 — is rolling out now, and for millions of Windows 10 users it is both a final security lifeline and a practical checkpoint as the operating system heads to its scheduled end of support on October 14, 2025. Background / Overview Windows 10’s...
  2. Windows 11 24H2 Sept 2025 Update: Security Hardening, SMB Auditing & Kerberos

    Microsoft released a cumulative update for Windows 11 (version 24H2) on September 9, 2025 — KB5065426 (OS Build 26100.6584) — that bundles security fixes, servicing-stack improvements, and a slate of consumer and enterprise features while also tightening several hardening timelines that...
  3. KB5064080 August 2025 Preview: Windows 11 23H2 Enterprise Backup & Management

    Microsoft has published a non‑security preview update for Windows 11, version 23H2 — KB5064080 — delivered as an optional Release Preview package that bundles a set of targeted reliability fixes, a servicing‑stack refresh, and an enterprise‑facing capability that Microsoft calls Windows Backup...
  4. Microsoft deploys emergency OOB updates to fix Windows recovery (Aug 2025)

    Microsoft has issued emergency out‑of‑band updates after a routine August Patch Tuesday rollup left built‑in recovery paths — including Reset this PC, the cloud‑based Fix problems using Windows Update, and management‑initiated RemoteWipe — unable to complete on a range of consumer and enterprise...
  5. Windows Recovery Regression Fixed with Microsoft's OOB Updates (KB5066189/KB5066188/KB5066187)

    Microsoft has quietly issued a set of emergency, out‑of‑band patches to fix a serious regression introduced by the August 2025 security updates that broke Windows’ built‑in recovery tools — including the widely used Reset this PC workflow — and caused some upgrade attempts to fail with error...
  6. Microsoft Issues OOB Fix for Windows Reset/Recovery After August 2025 Patch Tuesday

    Microsoft has issued an emergency out‑of‑band update to repair a high‑impact regression introduced by the August Patch Tuesday rollup that left Windows’ built‑in reset and recovery tools unable to complete on many client devices. id‑August Microsoft shipped its regular Patch Tuesday cumulative...
  7. KB5066189: Windows 11 Recovery Fix for August 2025 Out-of-Band Update

    Microsoft released an out‑of‑band (OOB) update on August 19, 2025 — KB5066189 for Windows 11 builds 22621.5771 and 22631.5771 — that restores broken reset and recovery flows introduced by the Patch Tuesday rollups earlier this month, and administrators and home users should treat this patch as a...