Pre-release versions of file formats new to Office Products must be blocked.

From Microsoft PowerPoint 2010

Part of DTOO210 - Block opening of pre-release versions

SV-33449r1_rule Pre-release versions of file formats new to Office Products must be blocked.

Vulnerability discussion

This policy setting controls whether users with the Microsoft Office Compatibility Pack for PowerPoint 2010 File Formats installed can open Office Open XML files saved with pre-release versions of PowerPoint 2010. PowerPoint Open XML files usually have the following extensions: .pptx, .pptm, .potx, .potm, .ppsx, .ppsm, .ppam, .thmx, .xml.

Check content

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 PowerPoint 2010 through the Compatibility Pack for Office 2010 and PowerPoint 2010 Converter” must be set to “Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\powerpoint\security\fileblock Criteria: If the value PowerPoint12BetaFilesFromConverters is REG_DWORD = 1, this is not a finding.

Fix text

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 PowerPoint 2010 through the Compatibility Pack for Office 2010 and PowerPoint 2010 Converter” to “Enabled”.

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