{
    "id": "CVE-2019-0841",
    "published": "2019-04-09 21:29:01",
    "last_modified": "2026-06-17 02:09:01",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-59",
    "description": "An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.",
    "epss_score": "0.41400",
    "epss_percentile": "0.98630",
    "kev": 1,
    "kev_due": "2022-04-05",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:24:02",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-04-05."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_10_1703"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1709"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1803"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1809"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2016"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2019"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-0841",
        "date_added": "2022-03-15",
        "due_date": "2022-04-05",
        "vendor": "Microsoft",
        "product": "Windows",
        "name": "Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability",
        "ransomware": 1
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "47128",
            "title": "Microsoft Windows 10 < build 17763 - AppXSvc Hard Link Privilege Escalation (Metasploit)",
            "date": "2019-07-16",
            "url": "https://www.exploit-db.com/exploits/47128"
        },
        {
            "source": "exploit-db",
            "ref_id": "46976",
            "title": "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (3)",
            "date": "2019-06-07",
            "url": "https://www.exploit-db.com/exploits/46976"
        },
        {
            "source": "exploit-db",
            "ref_id": "46938",
            "title": "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (2)",
            "date": "2019-05-23",
            "url": "https://www.exploit-db.com/exploits/46938"
        },
        {
            "source": "exploit-db",
            "ref_id": "46683",
            "title": "Microsoft Windows - AppX Deployment Service Privilege Escalation",
            "date": "2019-04-09",
            "url": "https://www.exploit-db.com/exploits/46683"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841",
        "https://www.exploit-db.com/exploits/46683/",
        "https://www.zerodayinitiative.com/advisories/ZDI-19-360/",
        "http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html",
        "http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841",
        "https://www.exploit-db.com/exploits/46683/",
        "https://www.zerodayinitiative.com/advisories/ZDI-19-360/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841"
    ]
}