Finding ID | Version | Rule ID | IA Controls | Severity |
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V-253398 | WN11-CC-000225 | SV-253398r829278_rule | Medium |
Description |
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The shell protocol will limit the set of folders applications can open when run in protected mode. Restricting files an application can open, to a limited set of folders, increases the security of Windows. |
STIG | Date |
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Microsoft Windows 11 Security Technical Implementation Guide | 2022-08-31 |
Check Text ( C-56851r829276_chk ) |
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The default behavior is for shell protected mode to be turned on for file explorer. If it exists and is configured with a value of "1", this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\ Value Name: PreXPSP2ShellProtocolBehavior Value Type: REG_DWORD Value: 0 (or if the Value Name does not exist) |
Fix Text (F-56801r829277_fix) |
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The default behavior is for shell protected mode to be turned on for file explorer. To correct this, configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> File Explorer >> "Turn off shell protocol protected mode" to "Not Configured" or "Disabled". |