{
    "id": "CVE-2014-0322",
    "published": "2014-02-14 16:55:07",
    "last_modified": "2026-06-17 00:02:47",
    "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": "CWE-416",
    "description": "Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors involving crafted JavaScript code, CMarkup, and the onpropertychange attribute of a script element, as exploited in the wild in January and February 2014.",
    "epss_score": "0.85122",
    "epss_percentile": "0.99709",
    "kev": 1,
    "kev_due": "2022-05-25",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:19:13",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-25."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "internet_explorer"
        },
        {
            "vendor": "microsoft",
            "product": "windows_7"
        },
        {
            "vendor": "microsoft",
            "product": "windows_8"
        },
        {
            "vendor": "microsoft",
            "product": "windows_rt"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2008"
        },
        {
            "vendor": "microsoft",
            "product": "windows_server_2012"
        },
        {
            "vendor": "microsoft",
            "product": "windows_vista"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2014-0322",
        "date_added": "2022-05-04",
        "due_date": "2022-05-25",
        "vendor": "Microsoft",
        "product": "Internet Explorer",
        "name": "Microsoft Internet Explorer Use-After-Free Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32904",
            "title": "Microsoft Internet Explorer - CMarkup Use-After-Free (MS14-012) (Metasploit)",
            "date": "2014-04-16",
            "url": "https://www.exploit-db.com/exploits/32904"
        },
        {
            "source": "exploit-db",
            "ref_id": "32851",
            "title": "Microsoft Internet Explorer 10 - CMarkup Use-After-Free (MS14-012)",
            "date": "2014-04-14",
            "url": "https://www.exploit-db.com/exploits/32851"
        }
    ],
    "refs_list": [
        "http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx",
        "http://technet.microsoft.com/security/advisory/2934088",
        "http://twitter.com/nanoc0re/statuses/434251658344673281",
        "http://www.exploit-db.com/exploits/32851",
        "http://www.exploit-db.com/exploits/32904",
        "http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html",
        "http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html",
        "http://www.kb.cert.org/vuls/id/732479",
        "http://www.osvdb.org/103354",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012",
        "https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip",
        "http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx",
        "http://technet.microsoft.com/security/advisory/2934088",
        "http://twitter.com/nanoc0re/statuses/434251658344673281",
        "http://www.exploit-db.com/exploits/32851",
        "http://www.exploit-db.com/exploits/32904",
        "http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html",
        "http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html",
        "http://www.kb.cert.org/vuls/id/732479",
        "http://www.osvdb.org/103354",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012",
        "https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322"
    ]
}