{
    "id": "CVE-2021-21132",
    "published": "2021-02-09 14:15:16",
    "last_modified": "2026-06-17 03:34:53",
    "cvss_score": "9.6",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
    "cwe": "CWE-1021",
    "description": "Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.",
    "epss_score": "0.23406",
    "epss_percentile": "0.97729",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:28",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 23.4% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "google",
            "product": "chrome"
        },
        {
            "vendor": "microsoft",
            "product": "edge_chromium"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html",
        "https://crbug.com/1128206",
        "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132",
        "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html",
        "https://crbug.com/1128206",
        "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132"
    ]
}