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V-238143

CAT II (Medium)

Attachments opened from Outlook must be in Protected View.

Rule ID

SV-238143r961092_rule

STIG

Microsoft Word 2016 Security Technical Implementation Guide

Version

V2R1

CCIs

CCI-001170

Discussion

This policy setting allows for determining whether Word files in Outlook attachments open in Protected View. If enabling this policy setting, Outlook attachments do not open in Protected View. If disabling or not configuring this policy setting, Outlook attachments open in Protected View.

Check Content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2016 -> Word Options -> Security -> Trust Center -> Protected View "Turn off Protected View for attachments opened from Outlook" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\16.0\word\security\protectedview

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

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2016 -> Word Options -> Security -> Trust Center -> Protected View "Turn off Protected View for attachments opened from Outlook" to "Disabled".