oob update

Microsoft’s August Patch Tuesday delivered the usual mix of security fixes — and an unexpected operational headache: a servicing regression in the August 12, 2025 cumulative updates that broke Windows’ built‑in reset and recovery flows on several supported client branches and, in some upgrade...

Microsoft's August Patch Tuesday set off a chain reaction: the security update that fixed scores of vulnerabilities also broke Windows' own recovery tools for many users, and Microsoft was forced to ship out-of-band (OOB) emergency patches to undo the damage. The recovery failure — which could...

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...

Microsoft released an out‑of‑band (OOB) non‑security update on August 19, 2025 — KB5066189 for Windows 11 (OS Builds 22621.5771 and 22631.5771) — to repair a regression introduced by August’s cumulative updates that can block device reset and recovery operations, and to deliver a servicing stack...

Microsoft has confirmed that a Patch Tuesday update released in August has introduced a serious regression: reset and recovery operations can fail on multiple supported Windows client versions, leaving some machines unable to use the built‑in Reset this PC, the “Fix problems using Windows...

In a swift response to a critical, albeit narrowly targeted, stability issue, Microsoft has issued an out-of-band (OOB) update for Windows Server 2022—KB5061906, released on May 23, 2025. The issue at hand directly affects Hyper-V environments hosting confidential virtual machines (VMs), a...