CVE-2009-0556

Summary

CVECVE-2009-0556
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-04-03 18:30:00 UTC
Updated2018-10-12 21:50:00 UTC
DescriptionMicrosoft 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."

Risk And Classification

EPSS: 0.764470000 probability, percentile 0.989290000 (date 2026-04-04)

CISA KEV: Listed on 2026-01-07; due 2026-01-28; ransomware use Unknown

Problem Types: CWE-94

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductOffice
NameMicrosoft Office PowerPoint Code Injection Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017 ; https://nvd.nist.gov/vuln/detail/CVE-2009-0556

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Office Powerpoint 2004 All All All
Application Microsoft Office Powerpoint 2004 All All All
Application Microsoft Powerpoint 2000 sp3 All All
Application Microsoft Powerpoint 2002 sp3 All All
Application Microsoft Powerpoint 2003 sp3 All All
Application Microsoft Powerpoint 2000 sp3 All All
Application Microsoft Powerpoint 2002 sp3 All All
Application Microsoft Powerpoint 2003 sp3 All All

References

ReferenceSourceLinkTags
SecurityTracker.com Archives - Microsoft Office PowerPoint Invalid Object Access Bug Lets Remote Users Execute Arbitrary Code SECTRACK www.securitytracker.com
Microsoft Security Bulletin MS09-017 - Critical | Microsoft Docs MS docs.microsoft.com
US-CERT Technical Cyber Security Alert TA09-132A -- Microsoft PowerPoint Multiple Vulnerabilities CERT www.us-cert.gov US Government Resource
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH VUPEN www.vupen.com Vendor Advisory
53182 OSVDB osvdb.org
Microsoft Malware Protection Center : New 0-day Exploits Using PowerPoint Files CONFIRM blogs.technet.com Vendor Advisory
Microsoft PowerPoint File Parsing 'OutlineTextRefAtom' Remote Code Execution Vulnerability BID www.securityfocus.com
Microsoft PowerPoint OutlineTextRefAtom Parsing Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com SECUNIA secunia.com Vendor Advisory
Zero Day Initiative MISC www.zerodayinitiative.com
US-CERT Vulnerability Note VU#627331 CERT-VN www.kb.cert.org US Government Resource
Your request has been blocked. This could be due to several reasons. CONFIRM www.microsoft.com Patch, Vendor Advisory
The Microsoft Security Response Center (MSRC) : Microsoft Security Advisory 969136 CONFIRM blogs.technet.com Vendor Advisory
SecurityFocus BUGTRAQ www.securityfocus.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH VUPEN www.vupen.com
Security Research & Defense : Investigating the new PowerPoint issue CONFIRM blogs.technet.com Vendor Advisory
IBM X-Force Exchange XF exchange.xforce.ibmcloud.com
Repository / Oval Repository OVAL oval.cisecurity.org
Repository / Oval Repository OVAL oval.cisecurity.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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