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CIS Windows 11 Intune L1

Checks that Intune policies configure the Level 1 recommendations of the CIS Microsoft Intune for Windows 11 Benchmark v5.0.0. One test per setting.

Version
0.1.3
Tests
307
Connectors
0
Published
7 Nov 2026

Pacers31Colts18 · pacers31colts18.cis-win11-intune-l1 · 0 stars · Open source · MIT

PowerShell 
Install-MtPack Pacers31Colts18/maester-packs-joeloveless/cis-win11-intune-l1

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maester-packs.lock.json entry 
{  "Id": "pacers31colts18.cis-win11-intune-l1",  "Source": "Pacers31Colts18/maester-packs-joeloveless/cis-win11-intune-l1",  "Version": "0.1.3",  "Commit": "e9f51edda94c14f105b9079db5525af8814a7118",  "Digest": "sha256:8909734d7b8696c201179d841992ba808901b7a5cdf66352588c678adc4454a9"}

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MP.JL.CISW11INT.L1.011 MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing) is set to Enabled: Highest protection, source routing is completely disabled

Severity: MediumGraph

Description

CIS Microsoft Intune for Windows 11 Benchmark, recommendation 4.5.3 (Level 1).

The test passes when an assigned settings catalog policy for Windows sets Administrative Templates > MSS (Legacy) > MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing) to Enabled, with DisableIPSourceRouting set to Highest protection, source routing is completely disabled in the same policy, and no other assigned policy sets it to something else.

Remediation action

  1. In the Microsoft Intune admin center, go to Devices > Configuration and open (or create) a settings catalog policy for Windows 10 and later.
  2. Add Administrative Templates > MSS (Legacy) > MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing) and set it to Enabled, then set DisableIPSourceRouting to Highest protection, source routing is completely disabled.
  3. Assign the policy to your Windows devices, and remove any other assigned policy that sets it to something else.

Related links

%TestResult%