CVE-2014-0322
Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors…
- 8.8HighCVSS base score
- 85.1%Exploitation in 30 daysEPSS · top 0.3% of all CVEs
- YesKnown exploitedin CISA's KEV since 4 May 2022
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Internet Explorer Use-After-Free Vulnerability.
- Added
- 4 May 2022
- Fix due (US federal)
- 25 May 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 4 May 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it. 2 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits5
Metasploit modules1 module
- MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free (Metasploit module) (opens in a new tab)
exploit/windows/browser/ms14_012_cmarkup_uafRank normaldisclosed 13 Feb 2014
Exploit-DB2 entries
- Microsoft Internet Explorer - CMarkup Use-After-Free (MS14-012) (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 32904remote, windowspublished 16 Apr 2014Verified
- Microsoft Internet Explorer 10 - CMarkup Use-After-Free (MS14-012) (Exploit-DB entry) (opens in a new tab)
EDB-ID 32851remote, windowspublished 14 Apr 2014Verified
References tagged exploit2 references
- 32851 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 32904 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 2 months later
· 2 months later
Published
- 8 years later
· 8 years later
Added to CISA KEV
Known exploited in the wild
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 85.1% · top 0.3% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
12
- http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html (opens in a new tab)x_refsource_MISCx_transferred
- 103354 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 32851 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://technet.microsoft.com/security/advisory/2934088 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MS14-012 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- VU#732479 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- http://twitter.com/nanoc0re/statuses/434251658344673281 (opens in a new tab)x_refsource_MISCx_transferred
- http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx (opens in a new tab)x_refsource_MISCx_transferred
- https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip (opens in a new tab)x_refsource_MISCx_transferred
- http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html (opens in a new tab)x_refsource_MISCx_transferred
- 32904 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2014-0360 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-0322)Record last updated .