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V-238154

CAT II (Medium)

Files on local Intranet UNC must be opened in Protected View.

Rule ID

SV-238154r961092_rule

STIG

Microsoft Word 2016 Security Technical Implementation Guide

Version

V2R1

CCIs

CCI-001170

Discussion

This policy setting lets you determine if files on local Intranet UNC file shares open in Protected View. If you enable this policy setting, files on local Intranet UNC file shares open in Protected View if their UNC paths appear to be within the Internet zone. If you disable or do not configure this policy setting, files on Intranet UNC file shares do not open in Protected View if their UNC paths appear to be within the Internet zone.

Check Content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2016 -> Word Options -> Security -> Trust Center -> Protected View "Open files on local Intranet UNC in Protected View" is set to "Enabled".

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 DisableIntranetCheck is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2016 -> Word Options -> Security -> Trust Center -> Protected View "Open files on local Intranet UNC in Protected View" is set to "Enabled".