Microsoft has recently released an out-of-band update, KB5078136, for Windows Server 2022. This update builds on OS build 20348.4651 and includes enhancements and fixes from earlier updates, notably the January security release and a previous out-of-band fix. It aims to resolve various quality issues that some users encountered following the installation of previous builds, including difficulties with file systems, applications freezing when using cloud storage services like OneDrive and Dropbox, as well as problems in Outlook where emails failed to save correctly.

For users who have already installed prior updates, the new update will only download and install components that have not been addressed previously, allowing for a smoother update experience. However, a known issue exists with Windows Server Update Services (WSUS), which currently does not provide detailed sync error information due to a recent fix related to a remote code execution vulnerability (CVE-2025-59287).

For further details on this update, including explanations of various update types and their implications, users are encouraged to visit Microsoft's official resources, such as the Windows release health dashboard or the server update history page.

As technology continues to evolve, it's crucial for IT administrators and users to stay informed about updates and best practices. Regularly checking for updates not only ensures that systems are secure but also enhances performance and user experience. Additionally, understanding the nature of each update—whether it's a cumulative security update, feature update, or an out-of-band release—can help in managing systems more effectively and mitigating potential disruptions. Ensuring proper backup procedures are in place before applying any updates can also be beneficial, especially when dealing with critical applications and services

Windows Server 2022 KB5078136 (OS Build 20348.4651) Out-of-band released

Microsoft has released KB5078136 for Windows Server 2022, which builds on OS build 20348.4651 and incorporates fixes from previous updates, including the January security release and an out-of-band fix. This update addresses several quality issues that some users experienced after installing previous builds, such as problems with file systems, applications freezing when using cloud storage services like OneDrive or Dropbox, and Outlook errors where emails wouldn't save correctly. If you've already applied earlier updates, this new one should only download and install what hasn't been covered before, making it an update on top of existing installations. However, there is a known issue with WSUS that prevents it from showing detailed sync error information due to a recent change addressing a remote code execution vulnerability.

Windows Server 2022 KB5078136 (OS Build 20348.4651) Out-of-band released @ NT Compatible