Details

The Microsoft Office Compatibility Pack for Excel 2010 File Formats installed can open Office Open XML files saved with pre-release versions of Excel 2010. Excel Open XML files usually have the following extensions: .xlsx, .xlsm, .xltx, .xltm, .xlam.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2010 -> Office 2010 Converters ‘Block opening of pre-release versions of file formats new to Excel 2010 through the Compatibility Pack for Office 2010 and Excel 2010 Converter’ to ‘Enabled’.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Excel_2010_V1R11_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.

References

• 800-53|CM-7(2)
• CAT|II
• CCI|CCI-001764
• Rule-ID|SV-33448r1_rule
• STIG-ID|DTOO210
• Vuln-ID|V-17322

Source

• Tenable.com/audits