Check: O365-WD-000006
Microsoft Office 365 ProPlus STIG:
O365-WD-000006
(in versions v2 r11 through v1 r1)
Title
Word attachments opened from Outlook must be in Protected View. (Cat II impact)
Discussion
This policy setting allows you to determine if Word files in Outlook attachments open in Protected View. If you enable this policy setting, Outlook attachments do not open in Protected View. If you disable or do not configure 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". Use the Windows Registry Editor to navigate to the following key: HKCU\software\policies\microsoft\office\16.0\word\security\protectedview If the value for disableattachmentsinpv is REG_DWORD = 0, this is not a finding.
Fix Text
Set 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".
Additional Identifiers
Rule ID: SV-223405r879628_rule
Vulnerability ID: V-223405
Group Title: SRG-APP-000207
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-001662 |
The information system takes organization-defined corrective action when organization-defined unacceptable mobile code is identified. |
Controls
Number | Title |
---|---|
SC-18 (1) |
Identify Unacceptable Code / Take Corrective Actions |