{
    "id": "CVE-2006-4392",
    "published": "2006-10-03 04:02:00",
    "last_modified": "2026-06-16 22:29:00",
    "cvss_score": "7.2",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": null,
    "description": "The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function.",
    "epss_score": "0.01580",
    "epss_percentile": "0.74811",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:04",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "next",
            "product": "openstep"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "2463",
            "title": "Apple Mac OSX 10.4.7 - Mach Exception Handling Privilege Escalation",
            "date": "2006-09-30",
            "url": "https://www.exploit-db.com/exploits/2463"
        },
        {
            "source": "exploit-db",
            "ref_id": "2464",
            "title": "Apple Mac OSX 10.4.7 - Mach Exception Handling Local (10.3.x)",
            "date": "2006-09-30",
            "url": "https://www.exploit-db.com/exploits/2464"
        }
    ],
    "refs_list": [
        "http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html",
        "http://secunia.com/advisories/22187",
        "http://securityreason.com/securityalert/1663",
        "http://securitytracker.com/id?1016954",
        "http://www.kb.cert.org/vuls/id/838404",
        "http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/",
        "http://www.osvdb.org/29269",
        "http://www.securityfocus.com/archive/1/447396/100/0/threaded",
        "http://www.securityfocus.com/bid/20271",
        "http://www.us-cert.gov/cas/techalerts/TA06-275A.html",
        "http://www.vupen.com/english/advisories/2006/3852",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/29281",
        "http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html",
        "http://secunia.com/advisories/22187",
        "http://securityreason.com/securityalert/1663",
        "http://securitytracker.com/id?1016954",
        "http://www.kb.cert.org/vuls/id/838404",
        "http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/",
        "http://www.osvdb.org/29269",
        "http://www.securityfocus.com/archive/1/447396/100/0/threaded",
        "http://www.securityfocus.com/bid/20271",
        "http://www.us-cert.gov/cas/techalerts/TA06-275A.html",
        "http://www.vupen.com/english/advisories/2006/3852",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/29281"
    ]
}