Attachments opened from Outlook must be in Protected View.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-71085 | DTOO293 | SV-85709r1_rule | CCI-001170 | 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-85709r1_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".