Description of the security update for SharePoint Server 2019: March 10, 2026 (KB5002845)

Summary

Important:

If you're currently running SharePoint Workflow Manager, you must install the SharePoint Workflow Manager (KB5002799) to your farm before you install this cumulative update.
If you're currently running the Classic version of Workflow Manager, you have to enable the debug flag in order to continue using it.$farm = Get-SPFarm

$farm.ServerDebugFlags.Add(53601)

$farm.update()

iisreset

This security update resolves a Microsoft SharePoint server remote code execution vulnerability and Microsoft Office remote code execution vulnerability. To learn more about the vulnerabilities, see the following security advisories:

Notes:

This is build 16.0.10417.20102 of the security update package.
To apply this security update, you must have the release version of Microsoft SharePoint Server 2019 installed on the computer.

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issue in SharePoint Server 2019:

Fixes an issue in which some SharePoint pages don't render.

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

Download security update for Microsoft SharePoint Server 2019 (KB5002845).

More information

Security update deployment information

For deployment information about this update, see Deployments - Security Update Guide.

Security update replacement information

This security update replaces previously released security update 5002834.

File hash information

File name	SHA256 hash
sts2019-kb5002845-fullfile-x64-glb.exe	EEFBF7864E94E43BF9951F5A2F06791E14DDABAC3E8E2301476A0E93B5CF2B2F

File information

Download the list of files that are included in security update 5002845.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security