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

AutoRepublish warning alert in Excel must be enabled.

DISA Rule

SV-223331r508019_rule

Vulnerability Number

V-223331

Group Title

SRG-APP-000516

Rule Version

O365-EX-000022

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Set policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Save >> Do not show AutoRepublish warning alert to "Disabled".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Save >> Do not show AutoRepublish warning alert is set to "Disabled".

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

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

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

Vulnerability Number

V-223331

Documentable

False

Rule Version

O365-EX-000022

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Save >> Do not show AutoRepublish warning alert is set to "Disabled".

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

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

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

Check Content Reference

M

Target Key

4099

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