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Files in unsafe locations must be opened in Protected view in PowerPoint.


Overview

Finding ID Version Rule ID IA Controls Severity
V-223387 O365-PT-000011 SV-223387r508019_rule Medium
Description
This policy setting determines whether files located in unsafe locations will open in Protected View. If unsafe locations have not been specified, only the "Downloaded Program Files" and "Temporary Internet Files" folders are considered unsafe locations. If enabling this policy setting, files located in unsafe locations do not open in Protected View. If disabling or not configuring this policy setting, files located in unsafe locations open in Protected View.
STIG Date
Microsoft Office 365 ProPlus Security Technical Implementation Guide 2022-06-17

Details

Check Text ( C-25060r442380_chk )
Verify the policy value for User Configuration >> Administrative Templates >> Microsoft PowerPoint 2016 >> PowerPoint Options >> Security >> Trust Center >> Protected View "Do not open files in unsafe locations 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\PowerPoint\security\protectedview

If the value DisableUnsafeLocationsInPV is REG_DWORD = 0, this is not a finding.
Fix Text (F-25048r442381_fix)
Set the policy value for User Configuration >> Administrative Templates >> Microsoft PowerPoint 2016 >> PowerPoint Options >> Security >> Trust Center >> Protected View "Do not open files in unsafe locations in Protected View" to "Disabled".