{
    "id": "CVE-2022-47949",
    "published": "2022-12-24 23:15:09",
    "last_modified": "2026-06-17 05:14:30",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-120",
    "description": "The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.",
    "epss_score": "0.23147",
    "epss_percentile": "0.97708",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:35",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 23.1% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "nintendo",
            "product": "animal_crossing\\"
        },
        {
            "vendor": "nintendo",
            "product": "arms"
        },
        {
            "vendor": "nintendo",
            "product": "mario_kart_7"
        },
        {
            "vendor": "nintendo",
            "product": "mario_kart_8"
        },
        {
            "vendor": "nintendo",
            "product": "splatoon"
        },
        {
            "vendor": "nintendo",
            "product": "splatoon_2"
        },
        {
            "vendor": "nintendo",
            "product": "splatoon_3"
        },
        {
            "vendor": "nintendo",
            "product": "super_mario_maker_2"
        },
        {
            "vendor": "nintendo",
            "product": "switch_sports"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/PabloMK7/ENLBufferPwn",
        "https://github.com/PabloMK7/ENLBufferPwn"
    ]
}