{
    "id": "CVE-2011-3402",
    "published": "2011-11-04 21:55:04",
    "last_modified": "2026-06-16 23:33:14",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka \"TrueType Font Parsing Vulnerability.\"",
    "epss_score": "0.78138",
    "epss_percentile": "0.99564",
    "kev": 1,
    "kev_due": "2025-10-27",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:18:13",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2025-10-27."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "windows_7"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2003"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_vista"
        },
        {
            "vendor": "microsoft",
            "product": "windows_xp"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2011-3402",
        "date_added": "2025-10-06",
        "due_date": "2025-10-27",
        "vendor": "Microsoft",
        "product": "Windows",
        "name": "Microsoft Windows Remote Code Execution Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files",
        "http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx",
        "http://isc.sans.edu/diary/Duqu+Mitigation/11950",
        "http://secunia.com/advisories/49121",
        "http://secunia.com/advisories/49122",
        "http://technet.microsoft.com/security/advisory/2639658",
        "http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two",
        "http://www.securitytracker.com/id?1027039",
        "http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit",
        "http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf",
        "http://www.us-cert.gov/cas/techalerts/TA11-347A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-129A.html",
        "http://www.us-cert.gov/cas/techalerts/TA12-164A.html",
        "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645",
        "http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files",
        "http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx",
        "http://isc.sans.edu/diary/Duqu+Mitigation/11950",
        "http://secunia.com/advisories/49121",
        "http://secunia.com/advisories/49122"
    ]
}