1.9.6.1.2 Ensure 'Do not allow folders in non-default stores to be set as folder home pages' is set to Enabled

Information

By default, creating folder home pages for folders in non-default stores is blocked; you cannot define a folder home page for a folder that is in a non-default store. This setting allows you to unblock folder home pages for folders in non-default stores. Note that other settings might still prevent folder home pages from functioning. The recommended state for this setting is: Enabled.

Rationale:

Outlook allows users to designate Web pages as home pages for personal or public folders. When a user clicks on a folder, Outlook displays the home page the user has assigned to it. Although this feature provides the opportunity to create powerful public folder applications, scripts can be included on Web pages that access the Outlook object model, which exposes users to security risks.
By default, Outlook does not allow users to define folder home pages for folders in non-default stores. If this configuration is changed, users can create and access dangerous folder home pages for Outlook data files (.pst) and other non-default stores, which can compromise the security of the users' data.

Solution

To implement the recommended configuration state, set the following Group Policy setting to Enabled.

User Configuration\Administrative Templates\Microsoft Outlook 2016\Outlook Options\Other\Advanced\Do not allow folders in non-default stores to be set as folder home pages

Impact:

For more information, see Configure security for Outlook folder home pages.

See Also

https://workbench.cisecurity.org/files/553

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b.

Plugin: Windows

Control ID: fc1eaf2640c505b25a1af445a76d2075c160beddf7c7e6f9d1cd5b5a9eb3ae6e