Microsoft Internet Explorer Use-After-Free Vulnerability

HIGH 8.8EXPLOITED (CISA KEV)CVE-2014-0322 · Published 14/02/2014 · updated 17/06/2026

Microsoft Internet Explorer Use-After-Free Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 04/05/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
internet explorer microsoft	`= 10= 9`	No fix yet

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
technet.microsoft.com/security/advisory/2934088 · Patch
twitter.com/nanoc0re/statuses/434251658344673281 · Press/Media Coverage
exploit-db.com/exploits/32851 · Exploit
exploit-db.com/exploits/32904 · Exploit
fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html · Broken Link
fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html · Broken Link
kb.cert.org/vuls/id/732479 · Third Party Advisory
osvdb.org/103354 · Broken Link
docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012 · Patch
dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip · Broken Link
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2014-0322

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