The Initialize and script ActiveX controls not marked as safe property must be disallowed (Restricted Sites zone).

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223057DTBI114-IE11SV-223057r879630_ruleCCI-001170medium
Description
ActiveX controls not marked safe for scripting should not be executed. Although this is not a complete security measure for a control to be marked safe for scripting, if a control is not marked safe, it should not be initialized and executed.
STIGDate
Microsoft Internet Explorer 11 Security Technical Implementation Guide2023-12-01

Details

Check Text (C-223057r879630_chk)

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Initialize and script ActiveX controls not marked as safe' must be 'Enabled', and 'Disable' selected from the drop-down box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value "1201" is REG_DWORD = 3, this is not a finding.

Fix Text (F-24718r428722_fix)

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Initialize and script ActiveX controls not marked as safe' to 'Enabled', and select 'Disable' from the drop-down box.