CVE-2012-4969

Known Exploited

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.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 93.58% Top 5%
KEV Since 
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.us-cert.gov/cas/techalerts/TA12-265A.html third party advisory us government resource
http://www.kb.cert.org/vuls/id/480095 third party advisory us government resource
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729 vdb entry third party advisory signature
http://www.us-cert.gov/cas/techalerts/TA12-262A.html third party advisory us government resource
http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild third party advisory
http://technet.microsoft.com/security/advisory/2757760 patch vendor advisory
http://www.us-cert.gov/cas/techalerts/TA12-255A.html third party advisory us government resource
http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/ broken link
http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb broken link
http://www.securitytracker.com/id?1027538 vdb entry third party advisory
http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-4969?
CVE-2012-4969 has been scored as a high severity vulnerability.
How to fix CVE-2012-4969?
To fix CVE-2012-4969, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-4969 being actively exploited in the wild?
It is confirmed that CVE-2012-4969 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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