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Configuration for file validation must be enforced.


Overview

Finding ID Version Rule ID IA Controls Severity
V-70983 DTOO119 SV-85607r2_rule Medium
Description
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.
STIG Date
Microsoft Excel 2016 Security Technical Implementation Guide 2017-09-19

Details

Check Text ( C-71411r3_chk )
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 (F-77315r2_fix)
Set the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security "Turn off file validation" to "Disabled".