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V-238169

CAT II (Medium)

Configuration for file validation must be enforced.

Rule ID

SV-238169r960921_rule

STIG

Microsoft Excel 2016 Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-001695

Discussion

This policy setting allows you to turn off the file validation feature. If you enable this policy setting, file validation will be turned off. If you disable or do not configure this policy setting, file validation will be turned on. Office Binary Documents (97-2003) are checked to see if they conform against the file format schema before they are opened.

Check Content

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security "Turn off file validation" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\16.0\excel\security\filevalidation

Criteria: If the value EnableOnLoad is REG_DWORD = 1, this is not a finding.

Fix Text

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security "Turn off file validation" to "Disabled".