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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-220844	WN10-CC-000250	SV-220844r569187_rule		Medium

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

STIG	Date
Windows 10 Security Technical Implementation Guide	2021-08-18

Details

Check Text ( C-22559r555017_chk )
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)

Check Text ( C-22559r555017_chk )

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 (F-22548r555018_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Edge >> "Configure Windows Defender SmartScreen" to "Enabled". Windows 10 includes duplicate policies for this setting. It can also be configured under Computer Configuration >> Administrative Templates >> Windows Components >> Windows Defender SmartScreen >> Microsoft Edge.