{
    "id": "CVE-2022-26486",
    "published": "2022-12-22 20:15:22",
    "last_modified": "2026-08-19 15:29:21",
    "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-416",
    "description": "An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.",
    "epss_score": "0.02349",
    "epss_percentile": "0.82998",
    "kev": 1,
    "kev_due": "2022-03-21",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:30:48",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-03-21."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "firefox"
        },
        {
            "vendor": "mozilla",
            "product": "firefox_focus"
        },
        {
            "vendor": "mozilla",
            "product": "firefox_mobile"
        },
        {
            "vendor": "mozilla",
            "product": "thunderbird"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2022-26486",
        "date_added": "2022-03-07",
        "due_date": "2022-03-21",
        "vendor": "Mozilla",
        "product": "Firefox",
        "name": "Mozilla Firefox Use-After-Free Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1758070",
        "https://www.mozilla.org/security/advisories/mfsa2022-09/",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1758070",
        "https://www.mozilla.org/security/advisories/mfsa2022-09/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486"
    ]
}