CVE-2014-0322
Confirmed PUBLISHEDUse-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors involving...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Feb 14, 2014
- Exploitation Reported
- May 04, 2022
- CVSS
- 8.8 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS14-012 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- VU#732479 kb.cert.org · Third-Party Advisory http://www.kb.cert.org/vuls/id/732479
- 32851 exploit-db.com · Exploit http://www.exploit-db.com/exploits/32851
- 32904 exploit-db.com · Exploit http://www.exploit-db.com/exploits/32904
- 103354 osvdb.org · VDB Entry http://www.osvdb.org/103354
Show 6 more references
- fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie... fireeye.com · CVE Record http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-z...
- technet.microsoft.com/security/advisory/2934088 technet.microsoft.com · CVE Record http://technet.microsoft.com/security/advisory/2934088
- twitter.com/nanoc0re/statuses/434251658344673281 twitter.com · CVE Record http://twitter.com/nanoc0re/statuses/434251658344673281
- community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0... community.websense.com · CVE Record http://community.websense.com/blogs/securitylabs/archive/2014/02/13/m...
- dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip dropbox.com · CVE Record https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip
- fireeye.com/blog/uncategorized/2014/02/operation-snowman... fireeye.com · CVE Record http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-d...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-05-04 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms14_012_cmarkup_uaf.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2022-05-04 00:00:00 UTC · CISA
Proof of concept available
Recorded 2025-04-28 15:02:41 UTC
Weaknesses (CWE)
-
Use After Free
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms14_012_cmarkup_uaf.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC about 4 years ago00:00 UTC · about 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
16:00 UTC over 12 years ago16:00 UTC · over 12 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 12 years ago00:00 UTC · over 12 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2014-0322
{
"cve_id": "CVE-2014-0322",
"title": "Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows r...",
"affected_vendor": "Microsoft",
"affected_product": "Internet Explorer",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}