CVE-2009-0556NVD

Vulnerability Summary

Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an an invalid index value that triggers memory corruption, as exploited in the wild in April 2009 by Exploit:Win32/Apptom.gen, aka "Memory Corruption Vulnerability."

Severity Level

HIGH(8.8)

Published Date

Apr 3, 2009

Last Modified

Apr 22, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

67.88%Probability

Root Weakness (CWE)

CWE-94: Code Injection ↗

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.

CVSS v3.1 Base Metrics — Score 8.8 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Microsoft Office Powerpoint
Microsoft Powerpoint

Patched Versions

Not provided by NVD for this CVE.

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