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CVE-2011-0656

CRITICAL
9.3
CVSS Severity Score
EPSS Score0.1110%
EPSS Percentile40.64th
PublishedApr 13, 2011
Last ModifiedApr 29, 2026

Vulnerability Description

Microsoft PowerPoint 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; PowerPoint Viewer 2007 SP2; and PowerPoint Web App do not properly validate PersistDirectoryEntry records in PowerPoint documents, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a Slide with a malformed record, which triggers an exception and later use of an unspecified method, aka "Persist Directory RCE Vulnerability."

Affected Platforms (CPE)

πŸ“¦
Microsoft

Office

= 2004
πŸ“¦
Microsoft

Office

= 2008
πŸ“¦
Microsoft

Office

= 2011
πŸ“¦
Microsoft

Office Compatibility Pack

= 2007
πŸ“¦
Microsoft

Office Powerpoint Viewer

All versions
πŸ“¦
Microsoft

Open Xml File Format Converter

All versions
πŸ“¦
Microsoft

Powerpoint

= 2002
πŸ“¦
Microsoft

Powerpoint

= 2003
πŸ“¦
Microsoft

Powerpoint

= 2007
πŸ“¦
Microsoft

Powerpoint

= 2010
πŸ“¦
Microsoft

Powerpoint Viewer

= 2007
πŸ“¦
Microsoft

Powerpoint Web App

All versions

References & Advisories

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