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V-228434

CAT II (Medium)

Outlook Object Model scripts must be disallowed to run for public folders.

Rule ID

SV-228434r961092_rule

STIG

Microsoft Outlook 2016 Security Technical Implementation Guide

Version

V2R4

CCIs

CCI-001170

Discussion

This policy setting controls whether Outlook executes scripts that are associated with custom forms or folder home pages for public folders. If you enable this policy setting, Outlook cannot execute any scripts associated with public folders, overriding any configuration changes on users' computers. If you disable this policy setting, Outlook will automatically run any scripts associated with custom forms or folder home pages for public folders, overriding any configuration changes on users' computers. If you do not configure this policy setting, Outlook will not run any scripts associated with public folders by default. Users can configure the setting in the Trust Center by selecting the ôAllow script in public foldersö check box.

Check Content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Other -> Advanced "Do not allow Outlook object model scripts to run for public folders" is set to "Enabled".

Procedure: Use the Windows Registry Editor to navigate to the following key: 

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security

Criteria: If the value PublicFolderScript is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Other -> Advanced "Do not allow Outlook object model scripts to run for public folders" to "Enabled".