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/blog/microsoft-security-baselines/windows-server-2025-security-baseline/4358733

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-18(1)

Plugin: Windows

Control ID: 20b02812e431cd0767cab1ca957975c35edad6f8f78f3bf1c25dcc3211fe503b