{
    "id": "CVE-2018-8298",
    "published": "2018-07-11 00:29:01",
    "last_modified": "2026-06-17 02:04:35",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-843",
    "description": "A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.",
    "epss_score": "0.74521",
    "epss_percentile": "0.99483",
    "kev": 1,
    "kev_due": "2022-03-17",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:23:04",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-03-17."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "chakracore"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2018-8298",
        "date_added": "2022-03-03",
        "due_date": "2022-03-17",
        "vendor": "ChakraCore",
        "product": "ChakraCore scripting engine",
        "name": "ChakraCore Scripting Engine Type Confusion Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "45217",
            "title": "Microsoft Edge Chakra JIT - InitializeNumberFormat and InitializeDateTimeFormat Type Confusion",
            "date": "2018-08-17",
            "url": "https://www.exploit-db.com/exploits/45217"
        }
    ],
    "refs_list": [
        "http://www.securityfocus.com/bid/104639",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298",
        "https://www.exploit-db.com/exploits/45217/",
        "http://www.securityfocus.com/bid/104639",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298",
        "https://www.exploit-db.com/exploits/45217/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8298"
    ]
}