{
    "id": "CVE-2020-1040",
    "published": "2020-07-14 23:15:11",
    "last_modified": "2026-06-17 03:00:17",
    "cvss_score": "9.0",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-20",
    "description": "A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.",
    "epss_score": "0.07393",
    "epss_percentile": "0.94219",
    "kev": 1,
    "kev_due": "2022-05-03",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:26:09",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-03."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2012"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2016"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-1040",
        "date_added": "2021-11-03",
        "due_date": "2022-05-03",
        "vendor": "Microsoft",
        "product": "Hyper-V RemoteFX",
        "name": "Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://nvidia.custhelp.com/app/answers/detail/a_id/5044",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1040",
        "https://nvidia.custhelp.com/app/answers/detail/a_id/5044",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1040",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1040"
    ]
}