Internet Explorer Processes - FEATURE_MIME_SNIFFING - iexplore.exe

Information

This policy setting determines whether Internet Explorer MIME sniffing will prevent promotion of a file of one type to a more dangerous file type.
If you enable this policy setting, MIME sniffing will never promote a file of one type to a more dangerous file type.
If you disable this policy setting, Internet Explorer processes will allow a MIME sniff promoting a file of one type to a more dangerous file type.
If you do not configure this policy setting, MIME sniffing will never promote a file of one type to a more dangerous file type.

Solution

Policy Path: Windows Components\Internet Explorer\Security Features\Mime Sniffing Safety Feature
Policy Setting Name: Internet Explorer Processes

See Also

https://techcommunity.microsoft.com/t5/microsoft-security-baselines/security-baseline-for-windows-10-version-21h2/ba-p/3042703

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-18(1), CSCv6|3.1

Plugin: Windows

Control ID: e43af923084cfdfa2e61adbb7cc0aaf1b5341f40db3632e107e61eae96888834