CVE-2014-0322
KEVMicrosoft Internet Explorer Use-After-Free Vulnerability
Description
Use-after-free vulnerability in Microsoft Internet Explorer allows remote attackers to execute code.
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedFeb 14, 2014
Last modifiedJun 17, 2026
Added to KEVMay 4, 2022
Remediation dueMay 25, 2022
References
- community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspxBroken LinkPermissions Required
- technet.microsoft.com/security/advisory/2934088PatchVendor Advisory
- twitter.com/nanoc0re/statuses/434251658344673281Press/Media Coverage
- exploit-db.com/exploits/32851ExploitThird Party Advisory
- exploit-db.com/exploits/32904ExploitThird Party Advisory
- fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.htmlBroken Link
- fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.htmlBroken Link
- kb.cert.org/vuls/id/732479Third Party AdvisoryUS Government Resource
- osvdb.org/103354Broken Link
- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012PatchVendor Advisory
- dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zipBroken LinkExploit
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322US Government Resource
0 recent articles mention this CVE
83
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1615 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 85.1% · top 1% of all CVEs
- Weakness
- CWE-416
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.