CVE-2014-0322

microsoft internet explorer

Published 14 Feb 2014 · updated 17 Jun 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 4 May 2022, with a remediation deadline of 25 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx · Broken Link, Permissions Required
technet.microsoft.com/security/advisory/2934088 · Patch, Vendor Advisory
twitter.com/nanoc0re/statuses/434251658344673281 · Press/Media Coverage
www.exploit-db.com/exploits/32851 · Exploit, Third Party Advisory, VDB Entry
www.exploit-db.com/exploits/32904 · Exploit, Third Party Advisory, VDB Entry
www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html · Broken Link
www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html · Broken Link
www.kb.cert.org/vuls/id/732479 · Third Party Advisory, US Government Resource
www.osvdb.org/103354 · Broken Link
docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012 · Patch, Vendor Advisory
www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip · Broken Link, Exploit
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322 · US Government Resource