STIGQter: STIG Summary: Microsoft Defender Antivirus Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Microsoft Defender AV must be configured to automatically take action on all detected tasks.

DISA Rule

SV-213427r961197_rule

Vulnerability Number

V-213427

Group Title

SRG-APP-000279

Rule Version

WNDF-AV-000003

Severity

CAT II

CCI(s)

• CCI-001243 - Configure malicious code protection mechanisms to block malicious code; quarantine malicious code; and/or take organization-defined action(s) in response to malicious code detection.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> "Turn off routine remediation" to "Disabled" or "Not Configured".

Check Contents

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> "Turn off routine remediation" 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

Criteria: If the value "DisableRoutinelyTakingAction" 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.

Vulnerability Number

V-213427

Documentable

False

Rule Version

WNDF-AV-000003

Severity Override Guidance

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> "Turn off routine remediation" 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

Criteria: If the value "DisableRoutinelyTakingAction" 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.

Check Content Reference

M

Target Key

3985