Prevent per-user installation of ActiveX controls must be enabled.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-223041	SRG-APP-000210	DTBI1070-IE11	SV-223041r879630_rule	2023-12-01	2

Description
This policy setting allows you to prevent the installation of ActiveX controls on a per-user basis. If you enable this policy setting, ActiveX controls cannot be installed on a per-user basis. If you disable or do not configure this policy setting, ActiveX controls can be installed on a per-user basis.

ℹ️ Check
The policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Internet Explorer >> ”Prevent per-user installation of ActiveX controls” must be ”Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Security\ActiveX. Criteria: If the value "BlockNonAdminActiveXInstall" is REG_DWORD = 1, this is not a finding.

ℹ️ Check

The policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Internet Explorer >> ”Prevent per-user installation of ActiveX controls” must be ”Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Security\ActiveX. Criteria: If the value "BlockNonAdminActiveXInstall" is REG_DWORD = 1, this is not a finding.

✔️ Fix
Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Internet Explorer >> ”Prevent per-user installation of ActiveX controls” to ”Enabled”.