Description of the security update for SharePoint Server 2019: March 12, 2024 (KB5002562)

Summary

This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2024-21426.

Notes:

• This is build 16.0.10408.20000 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 an improvement in SharePoint Server 2019:

• Allows users to disable SharePoint’s Content Security Policy (CSP) HTTP header in SharePoint Pages. If you don’t want to enable the SharePoint CSP HTTP header in SharePoint Pages, you can run the following cmdlets in PowerShell:

Add-PSSnapin Microsoft.SharePoint.PowerShell
$farm = Get-SPFarm
$farm.EnableCSPHeaderForPage = $false
$farm.Update()

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 5002562 for the 64-bit version of SharePoint Server 2019

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 5002539.

File hash information

File name	SHA256 hash
sts2019-kb5002562-fullfile-x64-glb.exe	5F976ACA8AD647CCBDBE30F6A4348B1D0DA02D597740AD1F09FCD3421A555E5E

File information

Download the list of files that are included in security update 5002562.

Information about protection and security

Protect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security