{
    "id": "CVE-2026-87491",
    "published": "2026-09-09 01:17:05",
    "last_modified": "2026-09-21 13:17:11",
    "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-787",
    "description": "Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)",
    "epss_score": "0.03142",
    "epss_percentile": "0.87416",
    "kev": 1,
    "kev_due": "2026-09-23",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:18:03",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-09-23."
    },
    "products": [
        {
            "vendor": "google",
            "product": "chrome"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2026-87491",
        "date_added": "2026-09-09",
        "due_date": "2026-09-23",
        "vendor": "Google",
        "product": "Chromium V8",
        "name": "Google Chromium V8 Out of Bounds Write Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html",
        "https://issues.chromium.org/issues/543557673",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491"
    ]
}