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

From Microsoft Office System 2013 STIG

Part of DTOO196 - Mix of Policy and User Locations

SV-52745r2_rule A mix of policy and user locations for Office Products must be disallowed.

Vulnerability discussion

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.

Check content

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 hive: HKEY_Users For every users profile hive under HKEY_Users, navigate to the following key: \Software\Policies\Microsoft\Office\15.0\common\security\trusted locations If the value “Allow User Locations” is REG_DWORD = 0 for every user profile hive, this is not a finding.

Fix text

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".

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