{
    "id": "CVE-2009-0556",
    "published": "2009-04-03 18:30:00",
    "last_modified": "2026-06-16 23:05:17",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-94",
    "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.\"",
    "epss_score": "0.67312",
    "epss_percentile": "0.99284",
    "kev": 1,
    "kev_due": "2026-01-28",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:16:36",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-01-28."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "office_powerpoint"
        },
        {
            "vendor": "microsoft",
            "product": "powerpoint"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2009-0556",
        "date_added": "2026-01-07",
        "due_date": "2026-01-28",
        "vendor": "Microsoft",
        "product": "Office",
        "name": "Microsoft Office PowerPoint Code Injection Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "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",
        "http://www.kb.cert.org/vuls/id/627331",
        "http://www.microsoft.com/technet/security/advisory/969136.mspx",
        "http://www.securityfocus.com/archive/1/503453/100/0/threaded",
        "http://www.securityfocus.com/bid/34351",
        "http://www.securitytracker.com/id?1021967",
        "http://www.us-cert.gov/cas/techalerts/TA09-132A.html",
        "http://www.vupen.com/english/advisories/2009/0915",
        "http://www.vupen.com/english/advisories/2009/1290",
        "http://www.zerodayinitiative.com/advisories/ZDI-09-019",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49632",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6204",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6279",
        "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",
        "http://www.kb.cert.org/vuls/id/627331",
        "http://www.microsoft.com/technet/security/advisory/969136.mspx"
    ]
}