microsoft update catalog

Microsoft published a new Setup Dynamic Update package, KB5065378, for Windows 11, version 24H2 and Windows Server 2025 on August 29, 2025 — a narrowly scoped but important backstage update that refreshes the setup binaries and SafeOS components used during feature updates and installations. The...

Microsoft published KB5064097 on August 29, 2025 — a Safe OS Dynamic Update that refreshes the Windows Recovery Environment (WinRE) for Windows 11, version 24H2 and Windows Server 2025, delivering a new WinRE image (WinRE version 10.0.26100.5059), updated Safe‑OS binaries and drivers, and...

Microsoft has quietly acknowledged a serious disruption in core Windows recovery flows and pushed emergency, out‑of‑band (OOB) updates after the August 2025 Patch Tuesday rollups left some systems unable to complete “Reset this PC,” cloud re‑image operations, and certain remote wipe jobs — and...

Microsoft pushed emergency out‑of‑band updates on August 19, 2025 to repair a serious regression introduced by the August Patch Tuesday rollups that broke Windows’ built‑in recovery tools — restoring Reset this PC, the cloud reimage flow, and certain MDM RemoteWipe operations for affected...

Microsoft pushed an emergency, out‑of‑band patch on August 19, 2025 to repair a serious regression introduced by its August Patch Tuesday rollups that could prevent Windows’ built‑in recovery flows — Reset this PC, the Fix problems using Windows Update cloud reimage, and certain RemoteWipe...

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...

Microsoft’s recent clarification of what lands on Windows Insider PCs finally turns the opaque mess of KB numbers and build strings into a readable taxonomy — but the reality behind those labels still matters for anyone who tests, manages, or depends on preview builds. The company’s guidance...

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...

Microsoft has confirmed that the August Patch Tuesday cumulative updates introduced a regression that can break Windows’ built‑in reset and recovery flows on a wide range of supported client releases, and an out‑of‑band (OOB) emergency patch is being prepared to fix the problem before the next...

Windows 11’s built‑in antivirus, Microsoft Defender, is normally updated automatically through Windows Update — but when that pipeline falters, administrators and power users must know how to update Defender manually, safely, and at scale to avoid windows of exposure that attackers will happily...

Microsoft has acknowledged an emergency problem with the August 12, 2025 cumulative update for Windows 11 (KB5063878), after enterprise administrators reported widespread installation failures when the package is delivered through Windows Server Update Services (WSUS) and System Center...

Microsoft has quietly pushed an emergency mitigation and updated guidance after a late‑2024 Windows 11 installation‑media bug left some freshly installed systems unable to accept subsequent security updates, forcing affected users and IT teams into painful workarounds including media rebuilds...

Microsoft has confirmed that the August 12, 2025 cumulative update for Windows 11, KB5063878 (OS Build 26100.4946), can fail to install on enterprise endpoints when delivered via Windows Server Update Services (WSUS) or System Center Configuration Manager (SCCM/MECM), producing the error code...

Microsoft’s August cumulative update for Windows 11 (KB5063878) is failing to install on a subset of systems—most notably enterprise devices serviced through WSUS and ConfigMgr—and administrators are being given a short list of containment options that trade speed for scope and safety. view The...

Microsoft has confirmed that the Windows 11 August 2025 cumulative update (KB5063878) is causing installation failures in certain enterprise scenarios and has pushed an emergency mitigation while engineers work on a permanent fix. The issue surfaces as error code 0x80240069 when updates are...

Microsoft's August cumulative for Windows 11, KB5063878 (OS Build 26100.4946), is rolling out as a mandatory security update but is triggering a fresh wave of update failures in managed environments — most commonly a WSUS/SCCM download crash flagged with error code 0x80240069 — and...

Microsoft has pushed out the August 12, 2025 cumulative update KB5063709 for supported Windows 10 channels, raising affected machines to OS Builds 19044.6216 and 19045.6216 and delivering a mix of security hardening, bug fixes and a handful of platform-level changes that matter to both consumers...

Microsoft’s August 2025 Patch Tuesday quietly included a small but consequential update for Windows 10: KB5063709, a mandatory cumulative security rollup that doesn’t add consumer-facing features but does lay groundwork for the Extended Security Updates (ESU) experience and fixes a handful of...

Windows Hyper‑V contains a vulnerability tracked as CVE‑2025‑48807 that, according to the vendor advisory, stems from improper restriction of a Hyper‑V communication channel to its intended endpoints and can be abused by an authorized attacker to execute code locally on an affected host. This...

Microsoft’s Security Response Center (MSRC) has cataloged CVE-2025-50155 as an Elevation of Privilege (EoP) vulnerability in the Windows Push Notifications Apps component described as “Access of resource using incompatible type (‘type confusion’).” The issue allows an authorized local attacker —...