Emergency Fixes Archives

Winsage

April 17, 2026

Microsoft’s April patch puts Windows domain controllers into reboot loops — third known issue from KB5082063 is affecting Windows Server 2016 through 2025

Microsoft has acknowledged that the April 2026 security update for Windows Server, patch KB5082063, has caused significant disruptions for some enterprise domain controllers, leading to continuous reboot cycles in non-Global Catalog domain controllers used in Privileged Access Management (PAM) deployments. This has resulted in the unavailability of Active Directory authentication and directory services on affected servers. Additionally, the installation of KB5082063 may fail on some Windows Server 2025 systems. This issue marks the third consecutive year that April security updates have caused problems for Windows Server domain controllers. In previous years, Microsoft issued emergency fixes for similar issues, including crashes and complications with NTLM authentication. Administrators currently have limited options, including delaying the update, isolating a test domain controller, or engaging with Microsoft Support for tailored mitigation steps.

Winsage

April 5, 2026

Microsoft Ships Emergency Windows 11 Fix for Broken Patch

On March 31, Microsoft released emergency update KB5086672 in response to issues caused by the previous preview patch KB5079391, which left many Windows 11 devices in a loop with error code 0x80073712, blocking access to March security fixes. Microsoft withdrew KB5079391, which was launched on March 26, and replaced it with KB5086672, a cumulative update that includes all fixes from March 2026. KB5086672 supersedes previous updates, including KB5079473, KB5085516, and KB5079391. Users with the "Get the latest updates as soon as they’re available" setting will receive KB5086672 automatically, while others can manually check for updates or download it from the Microsoft Update Catalog. Microsoft has been issuing multiple emergency updates recently, raising concerns about the quality of its update pipeline, with a history of emergency patches for various issues affecting Windows 10, Windows 11, and Windows Server. The issues from KB5079391 may resurface in the upcoming April cumulative update.

Winsage

January 26, 2026

Microsoft issues SECOND emergency out of band update for Windows 11 to address disastrous Patch Tuesday bugs

Microsoft's January 2026 Patch Tuesday updates for Windows 11 have caused significant user frustration, leading to two emergency out-of-band updates within a week to address critical issues. The latest emergency update, KB5078127, was released to fix problems that made applications like Outlook, OneDrive, and Dropbox inoperable after the January 13 updates. Initially, users were advised to uninstall the updates as a temporary fix. The first emergency update on January 17 aimed to resolve shutdown and hibernation failures for version 23H2 and issues with Remote Desktop sign-in, but it inadvertently caused further disruptions to essential applications. The Windows release health dashboard remains a key resource for users seeking updates on ongoing issues.