KB5002854:Fixes an issue in which some SharePoint pages don't render.

Description of the security update for SharePoint Server 2019: April 14, 2026 (KB5002854)

This security update resolves a Microsoft SharePoint Server spoofing vulnerability. To learn more about the vulnerability, see the following security advisories:

• Microsoft Common Vulnerabilities and Exposures CVE-2026-32201​​​​​​​
• Microsoft Common Vulnerabilities and Exposures CVE-2026-20945

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.