{
    "id": "CVE-2011-1999",
    "published": "2011-10-12 02:52:43",
    "last_modified": "2026-06-16 23:30:34",
    "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": null,
    "description": "Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution Vulnerability.\"",
    "epss_score": "0.26738",
    "epss_percentile": "0.97966",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "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": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "36209",
            "title": "Microsoft Internet Explorer 8 - Select Element Memory Corruption",
            "date": "2011-10-11",
            "url": "https://www.exploit-db.com/exploits/36209"
        }
    ],
    "refs_list": [
        "http://www.securityfocus.com/bid/49964",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12697",
        "http://www.securityfocus.com/bid/49964",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12697"
    ]
}