Automatically downloading enclosures on RSS must be disallowed.

From Microsoft Outlook 2016 Security Technical Implementation Guide

Associated with: CCI-000381

SV-85891r1_rule Automatically downloading enclosures on RSS must be disallowed.

Vulnerability discussion

This policy setting allows you to control whether Outlook automatically downloads enclosures on RSS items. If you enable this policy setting, Outlook will automatically download enclosures on RSS items. If you disable or do not configure this policy setting, enclosures on RSS items are not downloaded by default.

Check content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Account Settings -> RSS Feeds "Automatically download enclosures" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\outlook\options\rss Criteria: If the value EnableAttachments is REG_DWORD = 0, this is not a finding.

Fix text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Account Settings -> RSS Feeds "Automatically download enclosures" to "Disabled".

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.