{
    "id": "CVE-2012-4969",
    "published": "2012-09-18 10:39:14",
    "last_modified": "2026-06-16 23:45:58",
    "cvss_score": "8.1",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-416",
    "description": "Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.",
    "epss_score": "0.80250",
    "epss_percentile": "0.99610",
    "kev": 1,
    "kev_due": "2022-06-22",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:33",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-22."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "internet_explorer"
        },
        {
            "vendor": "microsoft",
            "product": "windows_7"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2003"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_vista"
        },
        {
            "vendor": "microsoft",
            "product": "windows_xp"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2012-4969",
        "date_added": "2022-06-08",
        "due_date": "2022-06-22",
        "vendor": "Microsoft",
        "product": "Internet Explorer",
        "name": "Microsoft Internet Explorer Use-After-Free Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "21840",
            "title": "Microsoft Internet Explorer - execCommand Use-After-Free (MS12-063) (Metasploit)",
            "date": "2012-10-10",
            "url": "https://www.exploit-db.com/exploits/21840"
        }
    ],
    "refs_list": [
        "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/",
        "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb",
        "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/",
        "http://technet.microsoft.com/security/advisory/2757760",
        "http://www.kb.cert.org/vuls/id/480095",
        "http://www.securitytracker.com/id?1027538",
        "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild",
        "http://www.us-cert.gov/cas/techalerts/TA12-255A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-262A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-265A.html",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729",
        "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/",
        "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb",
        "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/",
        "http://technet.microsoft.com/security/advisory/2757760",
        "http://www.kb.cert.org/vuls/id/480095",
        "http://www.securitytracker.com/id?1027538",
        "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild",
        "http://www.us-cert.gov/cas/techalerts/TA12-255A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-262A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-265A.html",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969"
    ]
}