CVE-2014-0322
Microsoft Internet Explorer Use-After-Free Vulnerability
Does this matter?
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.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 85.12% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 14 April 2014
- CISA KEV
- Listed 4 May 2022 · due 25 May 2022
- Weakness
- CWE-416
- Affected
- microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS 85.1% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2014-0322
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-32904source ↗ | Microsoft Internet Explorer - CMarkup Use-After-Free (MS14-012) (Metasploit)windows · Metasploit | remote | 16 April 2014 | yes |
| EDB-32851source ↗ | Microsoft Internet Explorer 10 - CMarkup Use-After-Free (MS14-012)windows · Jean-Jamil Khalife | remote | 14 April 2014 | yes |
References
- http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspxBroken Link, Permissions Required
- http://technet.microsoft.com/security/advisory/2934088Patch, Vendor Advisory
- http://twitter.com/nanoc0re/statuses/434251658344673281Press/Media Coverage
- http://www.exploit-db.com/exploits/32851Exploit, Third Party Advisory, VDB Entry
- http://www.exploit-db.com/exploits/32904Exploit, 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.htmlBroken Link
- http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.htmlBroken Link
- http://www.kb.cert.org/vuls/id/732479Third Party Advisory, US Government Resource
- http://www.osvdb.org/103354Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012Patch, Vendor Advisory
- https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zipBroken Link, Exploit
- http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspxBroken Link, Permissions Required
- http://technet.microsoft.com/security/advisory/2934088Patch, Vendor Advisory
- http://twitter.com/nanoc0re/statuses/434251658344673281Press/Media Coverage
- http://www.exploit-db.com/exploits/32851Exploit, Third Party Advisory, VDB Entry
- http://www.exploit-db.com/exploits/32904Exploit, 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.htmlBroken Link
- http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.htmlBroken Link
- http://www.kb.cert.org/vuls/id/732479Third Party Advisory, US Government Resource
- http://www.osvdb.org/103354Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012Patch, Vendor Advisory
- https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zipBroken Link, Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.