{
    "id": "CVE-2014-4138",
    "published": "2014-10-15 10:55:08",
    "last_modified": "2026-06-17 00:09:29",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-20",
    "description": "Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Internet Explorer Memory Corruption Vulnerability,\" a different vulnerability than CVE-2014-4130 and CVE-2014-4132.",
    "epss_score": "0.32242",
    "epss_percentile": "0.98270",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:19:33",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "internet_explorer"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40960",
            "title": "Microsoft Internet Explorer 11 - MSHTML CPaste­Command::Convert­Bitmapto­Png Heap Buffer Overflow (MS14-056)",
            "date": "2016-12-22",
            "url": "https://www.exploit-db.com/exploits/40960"
        }
    ],
    "refs_list": [
        "http://blog.skylined.nl/20161221001.html",
        "http://packetstormsecurity.com/files/140258/Microsoft-Internet-Explorer-11-MSHTML-CPasteCommand-ConvertBitmaptoPng-Buffer-Overflow.html",
        "http://secunia.com/advisories/60968",
        "http://www.securityfocus.com/bid/70340",
        "http://www.securitytracker.com/id/1031018",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-056",
        "https://www.exploit-db.com/exploits/40960/",
        "http://blog.skylined.nl/20161221001.html",
        "http://packetstormsecurity.com/files/140258/Microsoft-Internet-Explorer-11-MSHTML-CPasteCommand-ConvertBitmaptoPng-Buffer-Overflow.html",
        "http://secunia.com/advisories/60968",
        "http://www.securityfocus.com/bid/70340",
        "http://www.securitytracker.com/id/1031018",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-056",
        "https://www.exploit-db.com/exploits/40960/"
    ]
}