# CVE-2014-0322

## Summary

- **CVE ID:** CVE-2014-0322
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Feb 14, 2014
- **Last Modified:** Sep 16, 2026

## 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

- n/a — n/a (n/a)

## References

- [CNA](http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html)
- [CNA](http://www.osvdb.org/103354)
- [CNA](http://www.exploit-db.com/exploits/32851)
- [CNA](http://technet.microsoft.com/security/advisory/2934088)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012)
- [CNA](http://www.kb.cert.org/vuls/id/732479)
- [CNA](http://twitter.com/nanoc0re/statuses/434251658344673281)
- [CNA](http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx)
- [CNA](https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip)
- [CNA](http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html)
- [CNA](http://www.exploit-db.com/exploits/32904)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 93.20%
- **EPSS Percentile:** 99.8

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** May 4, 2022
- **Due Date:** May 25, 2022

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._