{
    "id": "CVE-2012-4792",
    "published": "2012-12-30 18:55:01",
    "last_modified": "2026-06-16 23:45:43",
    "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-416",
    "description": "Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.",
    "epss_score": "0.78823",
    "epss_percentile": "0.99581",
    "kev": 1,
    "kev_due": "2024-08-13",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:42",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2024-08-13."
    },
    "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-2012-4792",
        "date_added": "2024-07-23",
        "due_date": "2024-08-13",
        "vendor": "Microsoft",
        "product": "Internet Explorer",
        "name": "Microsoft Internet Explorer Use-After-Free Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "23785",
            "title": "Microsoft Internet Explorer - CButton Object Use-After-Free (Metasploit)",
            "date": "2013-01-02",
            "url": "https://www.exploit-db.com/exploits/23785"
        },
        {
            "source": "exploit-db",
            "ref_id": "23754",
            "title": "Microsoft Internet Explorer - CDwnBindInfo Object Use-After-Free (Metasploit)",
            "date": "2012-12-31",
            "url": "https://www.exploit-db.com/exploits/23754"
        }
    ],
    "refs_list": [
        "http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html",
        "http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx",
        "http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx",
        "http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/",
        "http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/",
        "http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html",
        "http://technet.microsoft.com/security/advisory/2794220",
        "http://www.kb.cert.org/vuls/id/154201",
        "http://www.us-cert.gov/cas/techalerts/TA13-008A.html",
        "http://www.us-cert.gov/cas/techalerts/TA13-015A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008",
        "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361",
        "http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html",
        "http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx",
        "http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx",
        "http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/",
        "http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/",
        "http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html",
        "http://technet.microsoft.com/security/advisory/2794220",
        "http://www.kb.cert.org/vuls/id/154201",
        "http://www.us-cert.gov/cas/techalerts/TA13-008A.html",
        "http://www.us-cert.gov/cas/techalerts/TA13-015A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008",
        "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb"
    ]
}