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V-228443

CAT II (Medium)

Scripts in One-Off Outlook forms must be disallowed.

Rule ID

SV-228443r961092_rule

STIG

Microsoft Outlook 2016 Security Technical Implementation Guide

Version

V2R4

CCIs

CCI-001170

Discussion

This policy setting controls whether scripts can run in Outlook forms in which the script and layout are contained within the message. If you enable this policy setting, scripts can run in one-off Outlook forms. If you disable or do not configure this policy setting, Outlook does not run scripts in forms in which the script and the layout are contained within the message. Important: This policy setting only applies if the "Outlook Security Mode" policy setting under "Microsoft Outlook 2016\Security\Security Form Settings" is configured to "Use Outlook Security Group Policy."

Check Content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Security Form Settings -> Custom Form Security "Allow scripts in one-off Outlook forms" is set to "Disabled".

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 EnableOneOffFormScripts is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Security Form Settings -> Custom Form Security "Allow scripts in one-off Outlook forms" to "Disabled".