Microsoft Excel 2010 Security Technical Implementation Guide

The Microsoft Excel 2010 Security Technical Implementation Guide (V1 R12) has 47 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R12

CurrentPublished Wed Jul 24 2024

Attachments opened from Outlook must be in Protected View.

Microsoft Excel 2010 Security Technical Implementation Guide

Assessment Title

Rule Text

Attachments opened from Outlook must be in Protected View.

Description

Discussion Text

This policy setting allows for determining if Excel files in Outlook attachments open in Protected View. If enabling this policy setting, Outlook attachments do not open in Protected View. If disabling or not configuring this policy setting, Outlook attachments open in Protected View.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-241884

Rule

SV-241884r961092_rule

Severity

medium

Rule Version

DTOO293 - Excel

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> 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\14.0\excel\security\protectedview


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

Implementation Procedure

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View "Turn off Protected View for attachments opened from Outlook" to "Disabled".

STIG check 45 of 47 in the Microsoft Excel 2010 STIG checklist

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