{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2026-85046",
  "revision": 1,
  "title": "Chrome — Type Confusion in the V8 JavaScript Engine",
  "summary": "A type confusion bug in the V8 JavaScript engine of Chrome before 152.0.7977.82 lets a crafted web page run attacker code inside the browser sandbox. Exploited in the wild; other Chromium-based browsers such as Edge and Opera are affected too.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 8.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.01462,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2026-09-04",
    "prerequisites": "A user opens the crafted web page in an unpatched Chromium-based browser"
  },
  "remediation": {
    "patch_available": true,
    "fixed_in": [
      "Chrome 152.0.7977.82"
    ]
  },
  "mitre_attack": [
    "T1203"
  ],
  "kill_chain": "execution",
  "recommended_action": "Update Chrome and other Chromium-based browsers to 152.0.7977.82 or later now; exploitation is already observed in the wild.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-85046",
      "retrieved_at": "2026-09-20T10:52:56.734Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-20T10:52:56.734Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2026-85046",
      "retrieved_at": "2026-09-20T10:52:56.734Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-85046",
      "retrieved_at": "2026-09-20T10:52:56.734Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85046",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html"
    },
    {
      "type": "vendor_advisory",
      "url": "https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67"
    },
    {
      "type": "exploit",
      "url": "https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md"
    }
  ],
  "published_at": "2026-09-03T20:17:24.210Z",
  "issued_at": "2026-09-20T10:52:56.734Z",
  "tags": [
    "google-chrome",
    "chromium",
    "v8",
    "browser",
    "type-confusion",
    "memory-corruption"
  ]
}