{
    "id": "CVE-2011-1965",
    "published": "2011-08-10 21:55:01",
    "last_modified": "2026-06-16 23:30:30",
    "cvss_score": "7.1",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-399",
    "description": "Tcpip.sys in the TCP/IP stack in Microsoft Windows 7 Gold and SP1 and Windows Server 2008 R2 and R2 SP1 does not properly implement URL-based QoS, which allows remote attackers to cause a denial of service (reboot) via a crafted URL to a web server, aka \"TCP/IP QOS Denial of Service Vulnerability.\"",
    "epss_score": "0.24935",
    "epss_percentile": "0.97846",
    "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": "windows_7"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17981",
            "title": "Microsoft Windows - TCP/IP Stack Denial of Service (MS11-064)",
            "date": "2011-10-15",
            "url": "https://www.exploit-db.com/exploits/17981"
        }
    ],
    "refs_list": [
        "http://securityreason.com/securityalert/8474",
        "http://www.us-cert.gov/cas/techalerts/TA11-221A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-064",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12318",
        "http://securityreason.com/securityalert/8474",
        "http://www.us-cert.gov/cas/techalerts/TA11-221A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-064",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12318"
    ]
}