{
    "id": "CVE-2021-4102",
    "published": "2022-02-11 23:15:08",
    "last_modified": "2026-06-17 04:19:02",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-416",
    "description": "Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.",
    "epss_score": "0.07836",
    "epss_percentile": "0.94482",
    "kev": 1,
    "kev_due": "2021-12-29",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:31",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2021-12-29."
    },
    "products": [
        {
            "vendor": "google",
            "product": "chrome"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-4102",
        "date_added": "2021-12-15",
        "due_date": "2021-12-29",
        "vendor": "Google",
        "product": "Chromium V8",
        "name": "Google Chromium V8 Use-After-Free Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html",
        "https://crbug.com/1278387",
        "https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html",
        "https://crbug.com/1278387",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-4102"
    ]
}