{"id":"CVE-2009-0556","aliases":[],"url":"https://o3.security/vulnerability/CVE-2009-0556","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…","details":"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.\"","published":"2009-04-03T18:00:00.000Z","modified":"2026-01-08T04:55:23.788Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.67539,"percentile":0.99283,"asOf":"2026-08-28"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"http://www.zerodayinitiative.com/advisories/ZDI-09-019"},{"type":"WEB","url":"http://blogs.technet.com/mmpc/archive/2009/04/02/new-0-day-exploits-using-powerpoint-files.aspx"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2009/1290"},{"type":"WEB","url":"http://osvdb.org/53182"},{"type":"ADVISORY","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49632"},{"type":"WEB","url":"http://www.securityfocus.com/bid/34351"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2009/0915"},{"type":"WEB","url":"http://blogs.technet.com/msrc/archive/2009/04/02/microsoft-security-advisory-969136.aspx"},{"type":"WEB","url":"http://blogs.technet.com/srd/archive/2009/04/02/investigating-the-new-powerpoint-issue.aspx"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6279"},{"type":"ADVISORY","url":"http://secunia.com/advisories/34572"},{"type":"WEB","url":"http://www.securitytracker.com/id?1021967"},{"type":"ADVISORY","url":"http://www.us-cert.gov/cas/techalerts/TA09-132A.html"},{"type":"WEB","url":"http://www.microsoft.com/technet/security/advisory/969136.mspx"},{"type":"ADVISORY","url":"http://www.kb.cert.org/vuls/id/627331"},{"type":"REPORT","url":"http://www.securityfocus.com/archive/1/503453/100/0/threaded"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6204"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0556"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-01-08T04:55:23.788Z"}}