Internet Explorer Processes - FEATURE_MIME_SNIFFING - explorer.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-sept2019update-for-windows-10-v1903-and/ba-p/890940

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

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

Plugin: Windows

Control ID: 3695567b7365c94677c959aa52ead08f3e59ef214c00f8c83785a4cce07fa9eb