{
    "id": "CVE-2025-30397",
    "published": "2025-05-13 17:16:02",
    "last_modified": "2026-06-17 09:08:38",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-843",
    "description": "Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.",
    "epss_score": "0.26835",
    "epss_percentile": "0.97968",
    "kev": 1,
    "kev_due": "2025-06-03",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:37:59",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2025-06-03."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_10_1507"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1607"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_1809"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_21h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_10_22h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_11_22h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_11_23h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_11_24h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2012"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2016"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2019"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2022"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2022_23h2"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2025"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2025-30397",
        "date_added": "2025-05-13",
        "due_date": "2025-06-03",
        "vendor": "Microsoft",
        "product": "Windows",
        "name": "Microsoft Windows Scripting Engine Type Confusion Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "52315",
            "title": "Microsoft Windows Server 2025 JScript Engine - Remote Code Execution (RCE)",
            "date": "2025-06-05",
            "url": "https://www.exploit-db.com/exploits/52315"
        }
    ],
    "refs_list": [
        "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397",
        "https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-detection-script",
        "https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-mitigation-script",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30397"
    ]
}