KB5002798: Enables the AMSI body scan over HTTP request

Description of the security update for SharePoint Server 2019 Language Pack: October 14, 2025 (KB5002798)

This security update resolves Microsoft Excel Information Disclosure Vulnerability and Microsoft Word Remote Code Execution Vulnerability. To learn more about the vulnerabilities, see

• Microsoft Common Vulnerabilities and Exposures CVE-2025-59232.
• Microsoft Common Vulnerabilities and Exposures CVE-2025-59222.
• Microsoft Common Vulnerabilities and Exposures CVE-2025-59221.
• Microsoft Common Vulnerabilities and Exposures CVE-2025-59235.

Improvements and fixes
This security update contains an improvement and a fix for the following nonsecurity issue in SharePoint Server 2019 Language Pack:

• Enables the AMSI body scan over HTTP request