{
    "id": "CVE-2019-0803",
    "published": "2019-04-09 21:29:01",
    "last_modified": "2026-06-17 02:08:56",
    "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": null,
    "description": "An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0859.",
    "epss_score": "0.44954",
    "epss_percentile": "0.98739",
    "kev": 1,
    "kev_due": "2022-05-03",
    "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 2022-05-03."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_10_1507"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1607"
        },
        {
            "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_7"
        },
        {
            "vendor": "microsoft",
            "product": "windows_8.1"
        },
        {
            "vendor": "microsoft",
            "product": "windows_rt_8.1"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_1709"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_1803"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2012"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2016"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2019"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-0803",
        "date_added": "2021-11-03",
        "due_date": "2022-05-03",
        "vendor": "Microsoft",
        "product": "Win32k",
        "name": "Microsoft Win32k Privilege Escalation Vulnerability",
        "ransomware": 1
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46920",
            "title": "Microsoft Windows - 'Win32k' Local Privilege Escalation",
            "date": "2019-05-15",
            "url": "https://www.exploit-db.com/exploits/46920"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-Escalation.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803",
        "http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-Escalation.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0803"
    ]
}