CVEvulnerability

CVE-2014-0322

8.8 HIGH Known exploited Published 2014-02-14 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Internet Explorer Use-After-Free Vulnerability — Microsoft Internet Explorer

Use-after-free vulnerability in Microsoft Internet Explorer allows remote attackers to execute code.

Added to KEV: 2022-05-04
Remediation due: 2022-05-25
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2014-0322

Status: Analyzed
Published: 2014-02-14
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses: 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 configurations

• microsoft internet explorer 9 • microsoft internet explorer 10

Weakness · CWE (1)

CWE-416 Use After Free weakness

References

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