{
    "id": "CVE-2016-4657",
    "published": "2016-08-25 21:59:02",
    "last_modified": "2026-06-17 00:47:58",
    "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": "WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.",
    "epss_score": "0.66788",
    "epss_percentile": "0.99269",
    "kev": 1,
    "kev_due": "2022-06-14",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:20:40",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-14."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "iphone_os"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2016-4657",
        "date_added": "2022-05-24",
        "due_date": "2022-06-14",
        "vendor": "Apple",
        "product": "iOS",
        "name": "Apple iOS Webkit Memory Corruption Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "44836",
            "title": "WebKit - not_number defineProperties UAF (Metasploit)",
            "date": "2018-06-05",
            "url": "https://www.exploit-db.com/exploits/44836"
        },
        {
            "source": "exploit-db",
            "ref_id": "44213",
            "title": "Nintendo Switch - WebKit Code Execution (PoC)",
            "date": "2017-03-12",
            "url": "https://www.exploit-db.com/exploits/44213"
        }
    ],
    "refs_list": [
        "http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html",
        "http://www.securityfocus.com/bid/92653",
        "http://www.securitytracker.com/id/1036694",
        "https://blog.lookout.com/blog/2016/08/25/trident-pegasus/",
        "https://support.apple.com/HT207107",
        "https://www.exploit-db.com/exploits/44836/",
        "https://www.youtube.com/watch?v=xkdPjbaLngE",
        "http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html",
        "http://www.securityfocus.com/bid/92653",
        "http://www.securitytracker.com/id/1036694",
        "https://blog.lookout.com/blog/2016/08/25/trident-pegasus/",
        "https://support.apple.com/HT207107",
        "https://www.exploit-db.com/exploits/44836/",
        "https://www.youtube.com/watch?v=xkdPjbaLngE",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4657"
    ]
}