Do not allow Active X One-Off forms to be used in Outlook.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17559	DTOO234 - Outlook	SV-18657r1_rule	ECSC-1	Medium

Description
By default, third-party ActiveX controls are not allowed to run in one-off forms in Outlook. You can change this behavior so that Safe Controls (Microsoft Forms 2.0 controls and the Outlook Recipient and Body controls) are allowed in one-off forms, or so that all ActiveX controls are allowed to run.

STIG	Date
Microsoft Outlook 2007	2015-09-17

Details

Check Text ( C-18860r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Outlook 2007 -> Security “Allow Active X One Off Forms” will be set to “Disabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Security\AllowActiveXOneOffForms If the Registry key exists, this is a finding.

Fix Text (F-17475r1_fix)
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Outlook 2007 -> Security “Allow Active X One Off Forms” will be set to “Disabled”.