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A mix of policy and user locations for Office Products must be disallowed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-228518 DTOO196 SV-228518r508020_rule Medium
Description
When Microsoft Office files are opened from trusted locations, all the content in the files is enabled and active. Users are not notified about any potential risks that might be contained in the files, such as unsigned macros, ActiveX controls, or links to content on the Internet. By default, users can specify any location as a trusted location, and a computer can have a combination of user-created, OCT-created, and Group Policy–created trusted locations.
STIG Date
Microsoft Office System 2013 Security Technical Implementation Guide 2020-09-25

Details

Check Text ( C-30751r498832_chk )
Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Security Settings >> Trust Center "Allow mix of policy and user locations" is set to "Disabled".

Use the Windows Registry Editor to navigate to the following HKCU\Software\Policies\Microsoft\Office\15.0\common\security\trusted locations

If the value 'Allow User Locations' is REG_DWORD = 0, this is not a finding.
Fix Text (F-30736r498833_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2013 -> Security Settings -> Trust Center "Allow mix of policy and user locations" to "Disabled".