STIGQter: STIG Summary: Microsoft Outlook 2016 Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Oct 2020:

ActiveX Installs must be configured for proper restriction.

DISA Rule

SV-228428r508021_rule

Vulnerability Number

V-228428

Group Title

SRG-APP-000488

Rule Version

DTOO211

Severity

CAT II

CCI(s)

• CCI-002460 - The information system enforces organization-defined actions prior to executing mobile code.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" to "Enabled" and place a check in the 'outlook.exe' check box.

Check Contents

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" is set to "Enabled" and 'outlook.exe' is checked.

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

HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL

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

Vulnerability Number

V-228428

Documentable

False

Rule Version

DTOO211

Severity Override Guidance

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" is set to "Enabled" and 'outlook.exe' is checked.

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

HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL

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

Check Content Reference

M

Target Key

4224

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