CVE-2012-4969
highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.802 · 100 %ileexploit · functionalEURUUSadded 2022-06-08remediate by 2022-06-22
required action Apply updates per vendor instructions.
EPSS · scored 2026-10-27
Microsoft Internet Explorer Use-After-Free Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (2)
Public proof-of-concept and weaponised exploit code.
affected products (9)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (28)
External citations — patches, advisories, analysis.
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/cnnvd
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rbcnnvd
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/cnnvd
- http://technet.microsoft.com/security/advisory/2757760cnnvd
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wildcnnvd
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/enisa_euvd
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rbenisa_euvd
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan