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Security Update for Microsoft SharePoint Server 2019 Core (KB4484259)
A security vulnerability exists in Microsoft SharePoint Server 2019 Core that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
KB Articles:You can get specific information about this update in the Microsoft Knowledge Base article Security Update for Microsoft SharePoint Server 2019 Core (KB4484259) .
Supported Operating Systems
Windows Server 2016, Windows Server 2019
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).