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Visio 2003-2010 Binary Drawings, Templates and Stencils must be blocked.


Overview

Finding ID Version Rule ID IA Controls Severity
V-223397 O365-VI-000005 SV-223397r508019_rule Medium
Description
This policy setting allows you to determine whether users can open or save Visio files with the format specified by the title of this policy setting. If you enable this policy setting, you can specify whether users can open or save files. The options that can be selected are below. Note: Not all options may be available for this policy setting. -Do not block: The file type will not be blocked. -Save blocked: Saving of the filet type will be blocked. -Open/Save blocked: Both opening and saving of the file type will be blocked. If you disable or do not configure this policy setting, the file type will be blocked.
STIG Date
Microsoft Office 365 ProPlus Security Technical Implementation Guide 2022-06-17

Details

Check Text ( C-25070r442410_chk )
Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Visio 2016 >> Visio Options >> Security >> Trust Center >> File Block Settings "Visio 2003-2010 Binary Drawings, Templates and Stencils" is set to "Enabled" and "Open/Save blocked".

Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\16.0\visio\security\fileblock

If the value "visio2003files" is REG_DWORD = 2, this is not a finding.
Fix Text (F-25058r442411_fix)
Set the policy value for User Configuration >> Administrative Templates >> Microsoft Visio 2016 >> Visio Options >> Security >> Trust Center >> File Block Settings "Visio 2003-2010 Binary Drawings, Templates and Stencils" to "Enabled" and "Open/Save blocked".