What’s Vulnerable › Vulnerabilities

CVE-2014-0322: Microsoft Internet Explorer Use-After-Free Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-05-04
• EPSS: 85.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-02-14 · updated 2026-06-17
• Weakness: 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.

Affected products

• Microsoft Internet Explorer 11: 9, 10

References

• 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

Get alerted when CVE-2014-0322 or the next vulnerability affects your stack