STIGQter: STIG Summary: Microsoft Excel 2013 STIG Version: 1 Release: 7 Benchmark Date: 27 Apr 2018:

Excel attachments opened from Outlook must be in Protected View.

DISA Rule

SV-53837r1_rule

Vulnerability Number

V-26617

Group Title

DTOO293 - Turn off Protected View for attachments

Rule Version

DTOO293

Severity

CAT II

CCI(s)

• CCI-001170 - The information system prevents the automatic execution of mobile code in organization-defined software applications.

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Protected View "Turn off Protected View for attachments opened from Outlook" to "Disabled".

Check Contents

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Protected View Turn off Protected View for attachments opened from Outlook" must be set to Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\Excel\security\protectedview

Criteria: If the value DisableAttachmentsInPV is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-26617

Documentable

False

Rule Version

DTOO293

Severity Override Guidance

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Protected View Turn off Protected View for attachments opened from Outlook" must be set to Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\Excel\security\protectedview

Criteria: If the value DisableAttachmentsInPV is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2478

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