Attachments opened from Outlook must be in Protected View.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-71085	DTOO293	SV-85709r1_rule		Medium

Description

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.

STIG	Date
Microsoft Word 2016 Security Technical Implementation Guide	2016-11-02

Details

Check Text (C-71513r2_chk)

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 (F-77417r1_fix)

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".