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Security Update for Microsoft Office Online Server (KB4484503)

A security vulnerability exists in Microsoft Office Online Server that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.

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Download
  • Version:

    1.0

    Date Published:

    8/21/2020

    File Name:

    wacserver2019-kb4484503-fullfile-x64-glb.exe

    File Size:

    1.0 GB

    KB Articles:

    KB4484503

    You can get specific information about this update in the Microsoft Knowledge Base article Security Update for Microsoft Office Online Server (KB4484503) .
  • Supported Operating Systems

    Windows Server 2016



  • To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
    • Click Run to start the installation immediately.
    • Click Save to copy the download to your computer for installation at a later time


    IT professional resources
    IT professional working in managed environments can find complete resources for deploying Office updates in an organization on the Microsoft Office Desktop Applications TechCenter. Command line instructions can be found in Knowledge Base article Command line switches for Microsoft Self-Extractor packages (KB912203).
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