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Microsoft Defender AV must enable network protection to be configured into block or audit mode on Windows Server.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-278672WNDF-AV-000068SV-278672r1192825_ruleCCI-001170medium
Description
Microsoft's Exploit Guard comprises several techniques to defend against phishing attacks and malware. These include controlled folder access, attack surface reduction, and network protection.
STIGDate
Microsoft Defender Antivirus Security Technical Implementation Guide2026-05-08

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-03.3Explicitly Allow / Deny Applications
0.50
END-10Mobile Code
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

SC-18(1)Identify Unacceptable Code and Take Corrective Actions
1.00
SC-18(3)Prevent Downloading and Execution
1.00
SC-18(4)Prevent Automatic Execution
1.00
CCI1 mapping

Details

Check Text (C-278672r1192825_chk)

Note: This requirement is not applicable to desktops. Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Microsoft Defender Exploit Guard >> Network Protection >> This settings controls whether Network Protection is allowed to be configured into block or audit mode on Windows Server is set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection Criteria: If the value "AllowNetworkProtectionOnWinServer" is REG_DWORD = 1, this is not a finding. If the value is 0, this is a finding.

Fix Text (F-83111r1190760_fix)

Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Microsoft Defender Exploit Guard >> Network Protection >> This settings controls whether Network Protection is allowed to be configured into block or audit mode on Windows Server to "Enabled".