Description of the security update for SharePoint Enterprise Server 2013: September 8, 2020

Summary

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see the following security advisories:

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1198

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1227

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1440

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1452

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1453

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1460

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1576

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1595

Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft SharePoint Server 2013 installed on the computer.

Known issues in this update

• Issue 1
  
  After you install this update, some SharePoint pages may not render, and may generate the following error message: 
  

  Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type could not be found or it is not registered as safe.

  
  To resolve this issue, see KB 4572409.

• Issue 2
  
  This update has dependency on KB 4484525. Search pages will be broken if you only install this update. To avoid this issue, install KB 4484525 together with this update.

How to get and install the update

More information

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security