Microsoft Defender AV must be configured to disable local setting override for reporting to Microsoft MAPS.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-213432	SRG-APP-000210	WNDF-AV-000008	SV-213432r823036_rule	2022-04-08	2

Description
This policy setting configures a local override for the configuration to join Microsoft MAPS. This setting can only be set by Group Policy. If this setting is enabled, the local preference setting will take priority over Group Policy. If this setting is disabled or not configured, Group Policy will take priority over the local preference setting.

ℹ️ Check
This is applicable to unclassified systems. For other systems this is NA. Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Configure local setting override for reporting to Microsoft MAPS" is set to "Disabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Spynet Criteria: If the value "LocalSettingOverrideSpynetReporting" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.

ℹ️ Check

This is applicable to unclassified systems. For other systems this is NA. Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Configure local setting override for reporting to Microsoft MAPS" is set to "Disabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Spynet Criteria: If the value "LocalSettingOverrideSpynetReporting" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.

✔️ Fix
This is applicable to unclassified systems. For other systems this is NA. Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Configure local setting override for reporting to Microsoft MAPS" to "Disabled" or "Not Configured".