{
    "id": "CVE-2009-2526",
    "published": "2009-10-14 10:30:01",
    "last_modified": "2026-06-16 23:09:38",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-399",
    "description": "Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 do not properly validate fields in SMBv2 packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted packet to the Server service, aka \"SMBv2 Infinite Loop Vulnerability.\"",
    "epss_score": "0.81891",
    "epss_percentile": "0.99641",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:16:47",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_vista"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40280",
            "title": "Microsoft Windows - 'srv2.sys' SMB Code Execution (Python) (MS09-050)",
            "date": "2016-02-26",
            "url": "https://www.exploit-db.com/exploits/40280"
        },
        {
            "source": "exploit-db",
            "ref_id": "14674",
            "title": "Microsoft Windows - 'srv2.sys' SMB Negotiate ProcessID Function Table Dereference (MS09-050)",
            "date": "2010-08-17",
            "url": "https://www.exploit-db.com/exploits/14674"
        }
    ],
    "refs_list": [
        "http://www.us-cert.gov/cas/techalerts/TA09-286A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5595",
        "http://www.us-cert.gov/cas/techalerts/TA09-286A.html",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5595"
    ]
}