Scripts associated with shared folders must be prevented from execution in Outlook.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-223349 | O365-OU-000004 | SV-223349r961092_rule | CCI-001170 | medium |
| Description | ||||
| This policy setting controls whether Outlook executes scripts associated with custom forms or folder home pages for shared folders. | ||||
| STIG | Date | |||
| Microsoft Office 365 ProPlus Security Technical Implementation Guide | 2025-03-05 | |||
Details
Check Text (C-223349r961092_chk)
Verify the policy for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Other >> Advanced >> Do not allow Outlook object model scripts to run for shared folders is set to "Enabled".
Use the Windows Registry to navigate to the following key:
HKCU\software\policies\microsoft\office\16.0\outlook\security
If the value for sharedfolderscript is set to REG_DWORD = 0, this is not a finding.
Fix Text (F-25010r442267_fix)
Set the policy for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Other >> Advanced >> Do not allow Outlook object model scripts to run for shared folders to "Enabled".