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

Custom Outlook Object Model (OOM) action execution prompts must be configured.

DISA Rule

SV-228444r508021_rule

Vulnerability Number

V-228444

Group Title

SRG-APP-000488

Rule Version

DTOO247

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 User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Security Form Settings -> Custom Form Security "Set Outlook object model Custom Actions execution prompt" to "Enabled (Automatically Deny)".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Security Form Settings -> Custom Form Security "Set Outlook object model Custom Actions execution prompt" is set to "Enabled (Automatically Deny)".

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

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security

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

Vulnerability Number

V-228444

Documentable

False

Rule Version

DTOO247

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Security Form Settings -> Custom Form Security "Set Outlook object model Custom Actions execution prompt" is set to "Enabled (Automatically Deny)".

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

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security

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

Check Content Reference

M

Target Key

4224

Comments