The Windows Defender SmartScreen filter for Microsoft Edge must be enabled.

From Windows 10 Security Technical Implementation Guide

Associated with: CCI-000366

SV-78203r5_rule The Windows Defender SmartScreen filter for Microsoft Edge must be enabled.

Vulnerability discussion

The Windows Defender SmartScreen filter in Microsoft Edge provides warning messages and blocks potentially malicious websites.

Check content

This is applicable to unclassified systems, for other systems this is NA. Windows 10 LTSC\B versions do not include Microsoft Edge, this is NA for those systems. If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilter\ Value Name: EnabledV9 Type: REG_DWORD Value: 0x00000001 (1)

Fix text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Edge >> "Configure Windows Defender SmartScreen" to "Enabled". v1703 and later of Windows 10 include duplicate policies for this setting. It can also be configured under Computer Configuration >> Administrative Templates >> Windows Components >> Windows Defender SmartScreen >> Microsoft Edge. v1607 of Windows 10, the policy name is "Configure SmartScreen Filter".

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