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

Update of automatic links must be configured to prompt.

Microsoft Excel 2010 Security Technical Implementation Guide

Assessment Title

Rule Text

Update of automatic links must be configured to prompt.

Description

Discussion Text

If an Excel workbook contains links to other documents and users are not prompted to approve them, the contents of the workbook might change without the users' knowledge because the linked files have changed.

By default, users are prompted to update automatic links.

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

Objective

V-241877

Rule

SV-241877r961197_rule

Severity

medium

Rule Version

DTOO150 - 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 -> Advanced "Ask to update automatic links" must be set to "Enabled".

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

HKCU\Software\Policies\Microsoft\Office\14.0\excel\options\binaryoptions

Criteria: If the value fUpdateExt_78_1 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 -> Advanced "Ask to update automatic links" to "Enabled".

STIG check 38 of 47 in the Microsoft Excel 2010 STIG checklist

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