Description of the security update for SharePoint Enterprise Server 2016: September 8, 2020

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-2020-1200
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1210
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1218
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1227
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1345
• 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-2020-1482
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1514
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1576
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1595
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1205

Note To apply this security update, you must have the release version of Microsoft SharePoint Enterprise Server 2016 installed on the computer.

This public update delivers Feature Pack 2 for SharePoint Server 2016. Feature Pack 2 contains the following feature:

• SharePoint Framework (SPFx)

This public update also delivers all the features that were included in Feature Pack 1 for SharePoint Server 2016, including:

• Administrative Actions Logging
• MinRole enhancements
• SharePoint Custom Tiles
• Hybrid Taxonomy
• OneDrive API for SharePoint on-premises
• OneDrive for Business modern user experience (available to Software Assurance customers)

The OneDrive for Business modern user experience requires an active Software Assurance contract at the time that the experience is enabled, either by installation of the public update or by manual enablement. If you don't have an active Software Assurance contract at the time of enablement, you must turn off the OneDrive for Business modern user experience.

For more information, see the following Microsoft Docs articles:

• New features included in the November 2016 Public Update for SharePoint Server 2016 (Feature Pack 1)
• New features included in the September 2017 Public Update for SharePoint Server 2016 (Feature Pack 2)

This security update contains improvements and fixes for the following nonsecurity issues:

• Fixes an issue in which the custom code fails to retrieve SharePoint data through Content Management Interoperability Services (CMIS) REST queries.
• Fixes an issue in which the "shared with other users" context menu in subfolders doesn't work in classic view.
  
  Note To fix this issue completely, you have to install KB 4484512 together with this update.
• Fixes an issue in which a file is uploaded to the wrong folder in classic view of OneDrive for Business.
  
  Note To fix this issue completely, you have to install KB 4484512 together with this update.
• Fixes a hit highlighting issue that causes query suggestion token duplication or triplication for German compound words.
• Fixes an issue in which resolving a single space in the People Picker generates "all users (Windows)."
• Fixes an issue in which multiple items are added to the list when you add a new item to a list and click Save multiple times on the Ribbon.
• Fixes an issue in which multiple columns or rows can't be copied from Excel tables to the list in Quick Edit view.
• Fixes an issue that generates a high CPU cost when you call search API on an extended web application.
• Fixes an issue in which the library setting that should force opening a document in Word is not honored in classic experience when you use browsers other than Internet Explorer or legacy Edge.