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

Consistent MIME handling must be enabled for all Office 365 ProPlus programs.

DISA Rule

SV-223297r508019_rule

Vulnerability Number

V-223297

Group Title

SRG-APP-000179

Rule Version

O365-CO-000015

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration >> Administrative Templates >> Microsoft Office 2016 (Machine) >> Security Settings >> IE Security "Consistent Mime Handling" to "Enabled" and select the check boxes for all installed Office programs.

Check Contents

Verify the policy value for Computer Configuration >> Administrative Templates >> Microsoft Office 2016 (Machine) >> Security Settings >> IE Security >> Consistent Mime Handling is set to "Enabled" and the check box is selected for every installed Office program.

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

HKLM\software\microsoft\internet explorer\main\featurecontrol\feature_mime_handling

If the value for all installed Office programs is set to "True", this is not a finding.

Vulnerability Number

V-223297

Documentable

False

Rule Version

O365-CO-000015

Severity Override Guidance

Verify the policy value for Computer Configuration >> Administrative Templates >> Microsoft Office 2016 (Machine) >> Security Settings >> IE Security >> Consistent Mime Handling is set to "Enabled" and the check box is selected for every installed Office program.

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

HKLM\software\microsoft\internet explorer\main\featurecontrol\feature_mime_handling

If the value for all installed Office programs is set to "True", this is not a finding.

Check Content Reference

M

Target Key

4099

Comments