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-final-for-windows-10-v1909-and-windows-server/ba-p/1023093

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

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

Plugin: Windows

Control ID: c87dfdac79a3351102bb1dd92f9cbb7b1165d380126a27551e68bbe6d16c0643