CVE-2012-4969 KEV EXPLOIT
8.1
HIGH · CVSS 3.1 · EPSS 80.3% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-06-22.
Description
Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.
Scoring
| CVSS | 8.1 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 80.25% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | yes — remediate by 2022-06-22 |
| Public exploit | yes |
| Published | 2012-09-18 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Microsoft Internet Explorer Use-After-Free Vulnerability |
|---|---|
| Added | 2022-06-08 |
| Due | 2022-06-22 |
| Vendor / product | Microsoft / Internet Explorer |
| Ransomware use | none reported |
Affected (6)
| Vendor | Product |
|---|---|
| microsoft | internet explorer |
| microsoft | windows 7 |
| microsoft | windows server 2003 |
| microsoft | windows server 2008 |
| microsoft | windows vista |
| microsoft | windows xp |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Internet Explorer - execCommand Use-After-Free (MS12-063) (Metasploit) | 2012-10-10 |
References
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/
- http://technet.microsoft.com/security/advisory/2757760
- http://www.kb.cert.org/vuls/id/480095
- http://www.securitytracker.com/id?1027538
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- http://www.us-cert.gov/cas/techalerts/TA12-262A.html
- http://www.us-cert.gov/cas/techalerts/TA12-265A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/
- http://technet.microsoft.com/security/advisory/2757760
- http://www.kb.cert.org/vuls/id/480095
- http://www.securitytracker.com/id?1027538
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- http://www.us-cert.gov/cas/techalerts/TA12-262A.html
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