{
    "id": "CVE-2009-0557",
    "published": "2009-06-10 18:30:00",
    "last_modified": "2026-06-16 23:05:18",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-94",
    "description": "Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"",
    "epss_score": "0.53000",
    "epss_percentile": "0.98943",
    "kev": 1,
    "kev_due": "2022-06-22",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:16:37",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-22."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "office"
        },
        {
            "vendor": "microsoft",
            "product": "office_compatibility_pack"
        },
        {
            "vendor": "microsoft",
            "product": "office_excel_viewer"
        },
        {
            "vendor": "microsoft",
            "product": "office_sharepoint_server"
        },
        {
            "vendor": "microsoft",
            "product": "open_xml_file_format_converter"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2009-0557",
        "date_added": "2022-06-08",
        "due_date": "2022-06-22",
        "vendor": "Microsoft",
        "product": "Office",
        "name": "Microsoft Office Object Record Corruption Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "http://osvdb.org/54953",
        "http://www.securityfocus.com/bid/35241",
        "http://www.securitytracker.com/id?1022351",
        "http://www.us-cert.gov/cas/techalerts/TA09-160A.html",
        "http://www.vupen.com/english/advisories/2009/1540",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564",
        "http://osvdb.org/54953",
        "http://www.securityfocus.com/bid/35241",
        "http://www.securitytracker.com/id?1022351",
        "http://www.us-cert.gov/cas/techalerts/TA09-160A.html",
        "http://www.vupen.com/english/advisories/2009/1540",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0557"
    ]
}