Check: O365-WD-000003
Microsoft Office 365 ProPlus STIG:
O365-WD-000003
(in versions v2 r11 through v1 r1)
Title
Files downloaded from the Internet must be opened in Protected view in Word. (Cat II impact)
Discussion
This policy setting allows you to determine if files downloaded from the Internet zone open in Protected View. If you enable this policy setting, files downloaded from the Internet zone do not open in Protected View. If you disable or do not configure this policy setting, files downloaded from the Internet zone open in Protected View.
Check Content
Verify the policy setting, User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Trust Center >> Protected View >> Do not open files from the Internet zone in Protected View 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 disableinternetfilesinpv is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is REG_DWORD = 1, this is a finding.
Fix Text
Set the policy setting, User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Trust Center >> Protected View >> Do not open files from the Internet zone in Protected View to "Disabled".
Additional Identifiers
Rule ID: SV-223402r879628_rule
Vulnerability ID: V-223402
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 |