{"id":"CVE-2014-0322","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-0322","generatedAt":"2026-10-31T22:34:08.246Z","title":"Microsoft Internet Explorer Use-After-Free Vulnerability","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.","published":"2014-02-14T16:55:08.000Z","lastModified":"2026-06-17T00:02:47.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["microsoft/internet explorer"],"epss":{"score":0.85122,"percentile":0.99713,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-05-04","dueDate":"2022-05-25","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-0322"},"exploits":{"count":2,"verified":true,"firstPublished":"2014-04-14","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":32904,"kind":"exploit","title":"Microsoft Internet Explorer - CMarkup Use-After-Free (MS14-012) (Metasploit)","url":"https://www.exploit-db.com/exploits/32904","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/32904.rb","file":"exploits/windows/remote/32904.rb","published":"2014-04-16","added":"2014-04-16","updated":"2014-04-16","author":"Metasploit","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2014-0322","OSVDB-103354","MS14-012"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":32851,"kind":"exploit","title":"Microsoft Internet Explorer 10 - CMarkup Use-After-Free (MS14-012)","url":"https://www.exploit-db.com/exploits/32851","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/32851.html","file":"exploits/windows/remote/32851.html","published":"2014-04-14","added":"2014-04-14","updated":"2017-07-14","author":"Jean-Jamil Khalife","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2014-0322","OSVDB-103354","MS14-012"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx","tags":["Broken Link","Permissions Required"],"source":"secure@microsoft.com"},{"url":"http://technet.microsoft.com/security/advisory/2934088","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://twitter.com/nanoc0re/statuses/434251658344673281","tags":["Press/Media Coverage"],"source":"secure@microsoft.com"},{"url":"http://www.exploit-db.com/exploits/32851","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.exploit-db.com/exploits/32904","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://www.kb.cert.org/vuls/id/732479","tags":["Third Party Advisory","US Government Resource"],"source":"secure@microsoft.com"},{"url":"http://www.osvdb.org/103354","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip","tags":["Broken Link","Exploit"],"source":"secure@microsoft.com"},{"url":"http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx","tags":["Broken Link","Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://technet.microsoft.com/security/advisory/2934088","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://twitter.com/nanoc0re/statuses/434251658344673281","tags":["Press/Media Coverage"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/32851","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/32904","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/732479","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/103354","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip","tags":["Broken Link","Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-0322","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}