{
    "id": "CVE-2017-13847",
    "published": "2017-12-25 21:29:13",
    "last_modified": "2026-06-17 01:05:16",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the \"IOKit\" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.",
    "epss_score": "0.05028",
    "epss_percentile": "0.92026",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-06 18:17:15",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "43326",
            "title": "Apple macOS/iOS - Multiple Kernel Use-After-Frees due to Incorrect IOKit Object Lifetime Management in IOTimeSyncClockManagerUserClient",
            "date": "2017-12-12",
            "url": "https://www.exploit-db.com/exploits/43326"
        }
    ],
    "refs_list": [
        "http://www.securityfocus.com/bid/102097",
        "http://www.securitytracker.com/id/1039953",
        "http://www.securitytracker.com/id/1039966",
        "https://support.apple.com/HT208331",
        "https://support.apple.com/HT208334",
        "https://www.exploit-db.com/exploits/43326/",
        "http://www.securityfocus.com/bid/102097",
        "http://www.securitytracker.com/id/1039953",
        "http://www.securitytracker.com/id/1039966",
        "https://support.apple.com/HT208331",
        "https://support.apple.com/HT208334",
        "https://www.exploit-db.com/exploits/43326/"
    ]
}