Files from the Internet zone must be opened in Protected View.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-71051	SRG-APP-000207	DTOO121	SV-85675r1_rule	2016-11-02	1

Description
This policy setting allows for determining if files downloaded from the Internet zone open in Protected View. If enabling this policy setting, files downloaded from the Internet zone do not open in Protected View. If disabling or not configuring this policy setting, files downloaded from the Internet zone open in Protected View.

ℹ️ Check
Verify the policy value for 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 "Not Configured" or "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\word\security\protectedview Criteria: If the value 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, then this is a finding.

ℹ️ Check

Verify the policy value for 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 "Not Configured" or "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\word\security\protectedview Criteria: If the value 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, then this is a finding.

✔️ Fix
Set the policy value for 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 "Not Configured" or "Disabled".