{
    "id": "CVE-2007-1531",
    "published": "2007-03-20 20:19:00",
    "last_modified": "2026-06-16 22:37:46",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-399",
    "description": "Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.",
    "epss_score": "0.22818",
    "epss_percentile": "0.97666",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:06",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_vista"
        },
        {
            "vendor": "microsoft",
            "product": "windows_xp"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "3926",
            "title": "Microsoft Windows Vista - Forged ARP packet Network Stack Denial of Service",
            "date": "2007-05-15",
            "url": "https://www.exploit-db.com/exploits/3926"
        },
        {
            "source": "exploit-db",
            "ref_id": "29813",
            "title": "Microsoft Windows Vista - ARP Table Entries Denial of Service",
            "date": "2004-04-02",
            "url": "https://www.exploit-db.com/exploits/29813"
        }
    ],
    "refs_list": [
        "http://osvdb.org/33664",
        "http://www.securityfocus.com/archive/1/462793/100/0/threaded",
        "http://www.securityfocus.com/archive/1/464617/100/0/threaded",
        "http://www.securityfocus.com/bid/23266",
        "http://www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdf",
        "http://www.symantec.com/enterprise/security_response/weblog/2007/04/microsofts_inaccurate_teredo_d.html",
        "http://osvdb.org/33664",
        "http://www.securityfocus.com/archive/1/462793/100/0/threaded",
        "http://www.securityfocus.com/archive/1/464617/100/0/threaded",
        "http://www.securityfocus.com/bid/23266",
        "http://www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdf",
        "http://www.symantec.com/enterprise/security_response/weblog/2007/04/microsofts_inaccurate_teredo_d.html"
    ]
}