Security baseline for Windows 10 “Fall Creators Update” (v1709) – FINAL
Published Jun 18 2019 01:16 PM 1,770 Views
Former Employee
First published on TechNet on Oct 18, 2017
Microsoft is pleased to announce the final release of the recommended security configuration baseline settings for Windows 10 “Fall Creators Update,” also known as version 1709, “Redstone 3,” or RS3. There are no changes from the draft release we published a few weeks ago.

The 1709 baseline package has been added to the Microsoft Security Compliance Toolkit . On that page, click the Download button, then select "Windows 10 Version 1709 Security" and any other content you want to download.

The 1709 baseline package includes GPOs that can be imported in Active Directory, scripts for applying the GPOs to local policy, custom ADMX files for Group Policy settings, and all the recommended settings in spreadsheet form. The spreadsheet also includes the corresponding settings for configuring through Windows’ Mobile Device Management (MDM).

We're also happy to announce the revamping of the Windows Security Baselines landing page .

The differences between the 1709 baseline and that for Windows 10 v1703 (a.k.a., “Creators Update,” “Redstone 2”, RS2) are:

  • Implementing Attack Surface Reduction rules within Windows Defender Exploit Guard. Exploit Guard is a new feature of v1709 that helps prevent a variety of actions often used by malware. You can read more about Exploit Guard here: Reduce attack surfaces with Windows Defender Exploit Guard . Note that we have enabled “block” mode for all of these settings. We are continuing to watch the “Block office applications from injecting into other process” setting; if it creates compatibility problems then we might change the baseline recommendation to “audit” mode for that setting. Please let us know what you observe.

  • Enabling Exploit Guard’s Network Protection feature to prevent any application from accessing web sites identified as dangerous, including those hosting phishing scams and malware. This extends the type of protection offered by SmartScreen to all programs, including third-party browsers.

  • Enabling a new setting that prevents users from making changes to the Exploit protection settings area in the Windows Defender Security Center.

We also recommend enabling Windows Defender Application Guard . Our testing has proven it to be a powerful defense. We would have included it in this baseline, but its configuration settings are organization-specific.

The old Enhanced Mitigation Experience Toolkit (EMET) add-on is not supported on Windows 10 v1709. Instead, we offer Windows Defender Exploit Guard’s Exploit Protection , which is now a built-in, fully-configurable feature of Windows 10. Exploit Protection brings the granular control you remember from EMET into a new, modern feature. Our download package includes a pre-configured, customizable XML file to help you add exploit mitigations to many common applications. You can use it as-is, or customize it for your own needs. Note that you configure the corresponding Group Policy setting by specifying the full local or server file path to the XML file. Because our baseline cannot specify a path that works for everyone, it is not included in the baseline packages GPOs – you must add it yourself.

Thank you to the Center for Internet Security (CIS) and to everyone else who gave us feedback.
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