{"cve":"CVE-2009-0556","nvd":{"published":"2009-04-03T18:30:00.610","modified":"2026-06-16T23:05:17.900","status":"Analyzed","description":"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.\"","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-94"],"references":["http://blogs.technet.com/mmpc/archive/2009/04/02/new-0-day-exploits-using-powerpoint-files.aspx","http://blogs.technet.com/msrc/archive/2009/04/02/microsoft-security-advisory-969136.aspx","http://blogs.technet.com/srd/archive/2009/04/02/investigating-the-new-powerpoint-issue.aspx","http://osvdb.org/53182","http://secunia.com/advisories/34572"],"products":["microsoft:office_powerpoint","microsoft:powerpoint"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-0556","score":0.67312,"percentile":0.99304,"date":"2026-10-31"},"kev":{"cve":"CVE-2009-0556","date_added":"2026-01-07","due_date":"2026-01-28","vendor":"Microsoft","product":"Office","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}