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Scripts in One-Off Outlook forms must be disallowed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-17562 DTOO246 - Outlook SV-33586r1_rule Medium
Description
Malicious code can be included within Outlook forms, and such code could be executed when users open the form. By default, Outlook does not run scripts in forms in which the script and the layout are contained within the message.
STIG Date
Microsoft Outlook 2010 STIG 2018-04-04

Details

Check Text ( C-34046r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Security Form Settings -> Custom Form Security “Allow scripts in one-off Outlook forms” must be set to “Disabled”.

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

HKCU\Software\Policies\Microsoft\Office\14.0\outlook\security

Criteria: If the value EnableOneOffFormScripts is REG_DWORD = 0, this is not a finding.
Fix Text (F-29729r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Security Form Settings -> Custom Form Security “Allow scripts in one-off Outlook forms” to “Disabled”.