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

WEBSERVICE Function Notification in Excel must be configured to disable all, with notifications.

DISA Rule

SV-223335r508019_rule

Vulnerability Number

V-223335

Group Title

SRG-APP-000207

Rule Version

O365-EX-000026

Severity

CAT II

CCI(s)

• CCI-001662 - The information system takes organization-defined corrective action when organization-defined unacceptable mobile code is identified.

Weight

10

Fix Recommendation

Set policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> WEBSERVICE Function Notification Settings to "Enabled" and "Disable all with notification".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> WEBSERVICE Function Notification Settings is set to "Enabled" and "Disable all with notification".

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

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

If the value webservicefunctionwarnings does not exist, this is not a finding.

If the value for webservicefunctionwarnings is REG_DWORD = 1, this is not a finding.

If the value for webservicefunctionwarnings is REG_DWORD = 2, this is a finding.

Vulnerability Number

V-223335

Documentable

False

Rule Version

O365-EX-000026

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> WEBSERVICE Function Notification Settings is set to "Enabled" and "Disable all with notification".

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

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

If the value webservicefunctionwarnings does not exist, this is not a finding.

If the value for webservicefunctionwarnings is REG_DWORD = 1, this is not a finding.

If the value for webservicefunctionwarnings is REG_DWORD = 2, this is a finding.

Check Content Reference

M

Target Key

4099

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