STIGQter: STIG Summary: Microsoft Office 365 ProPlus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

VBA Macros not digitally signed must be blocked in Visio.

DISA Rule

SV-223393r508019_rule

Vulnerability Number

V-223393

Group Title

SRG-APP-000141

Rule Version

O365-VI-000001

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Set the policy value for User Configuration >> Administrative Templates/Microsoft Visio 2016 >> Visio Options >> Security >> Trust Center >> VBA Macro Notification Settings to "Enabled" and select "Disable all except digitally signed macros".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates/Microsoft Visio 2016 >> Visio Options >> Security >> Trust Center >> VBA Macro Notification Settings is set to "Enabled" and "Disable all except digitally signed macros".

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

HKCU\software\policies\microsoft\office\16.0\visio\security

If the value for vbawarnings is REG_DWORD = 3, this is not a finding.

Vulnerability Number

V-223393

Documentable

False

Rule Version

O365-VI-000001

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates/Microsoft Visio 2016 >> Visio Options >> Security >> Trust Center >> VBA Macro Notification Settings is set to "Enabled" and "Disable all except digitally signed macros".

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

HKCU\software\policies\microsoft\office\16.0\visio\security

If the value for vbawarnings is REG_DWORD = 3, this is not a finding.

Check Content Reference

M

Target Key

4099

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