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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26614	DTOO121 - Excel	SV-33861r1_rule		Medium

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.

STIG	Date
Microsoft Excel 2010	2016-08-08

Details

Check Text ( C-34207r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View “Do not open files from the Internet zone in Protected View” must be set to “Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\excel\security\protectedview Criteria: If the value DisableInternetFilesInPV is REG_DWORD = 0, this is not a finding.

Check Text ( C-34207r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View “Do not open files from the Internet zone in Protected View” must be set to “Disabled".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\14.0\excel\security\protectedview

Criteria: If the value DisableInternetFilesInPV is REG_DWORD = 0, this is not a finding.

Fix Text (F-29901r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View “Do not open files from the Internet zone in Protected View” to “Disabled".