{
    "id": "CVE-2020-0638",
    "published": "2020-01-14 23:15:32",
    "last_modified": "2026-08-12 05:17:27",
    "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 in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege Vulnerability'.",
    "epss_score": "0.02351",
    "epss_percentile": "0.83016",
    "kev": 1,
    "kev_due": "2022-06-13",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:25",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-13."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_10_1709"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1803"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1809"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1903"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1909"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_1803"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_1903"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_1909"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2019"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-0638",
        "date_added": "2022-05-23",
        "due_date": "2022-06-13",
        "vendor": "Microsoft",
        "product": "Update Notification Manager",
        "name": "Microsoft Update Notification Manager Privilege Escalation Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0638"
    ]
}