CVE-2012-4969

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Summary

CVECVE-2012-4969
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-09-18 10:39:14 UTC
Updated2026-04-21 18:37:37 UTC
DescriptionUse-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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.817160000 probability, percentile 0.996080000 (date 2026-07-21)

CISA KEV: Listed on 2022-06-08; due 2022-06-22; ransomware use Unknown

Problem Types: CWE-416 | n/a | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductInternet Explorer
NameMicrosoft Internet Explorer Use-After-Free Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2012-4969

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Internet Explorer 6 All All All
Application Microsoft Internet Explorer 7 All All All
Operating System Microsoft Windows Server 2003 - sp2 All All
Operating System Microsoft Windows Server 2003 - sp2 All All
Operating System Microsoft Windows Server 2003 - sp2 All All
Operating System Microsoft Windows Xp - sp2 All All
Operating System Microsoft Windows Xp - sp3 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Zero-Day Season Is Really Not Over Yet af854a3a-2127-422b-91ae-364da2661108 eromang.zataz.com Third Party Advisory
US-CERT Alert TA12-255A - Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
US-CERT Alert TA12-265A - Microsoft Releases Patch for Internet Explorer Exploit af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
New Internet Explorer Zero-Day Being Exploited in the Wild | SecurityWeek.Com af854a3a-2127-422b-91ae-364da2661108 www.securityweek.com Third Party Advisory
Microsoft Security Advisory (2757760): Vulnerability in Internet Explorer Could Allow Remote Code Execution af854a3a-2127-422b-91ae-364da2661108 technet.microsoft.com Patch, Vendor Advisory
US-CERT Alert TA12-262A - Microsoft Security Advisory for Internet Explorer Exploit af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
IE execCommand fuction Use after free Vulnerability 0day en af854a3a-2127-422b-91ae-364da2661108 blog.vulnhunt.com Broken Link
/modules/exploits/windows/browser/ie_execcommand_uaf.rb - Metasploit Framework - Metasploit Redmine Interface af854a3a-2127-422b-91ae-364da2661108 dev.metasploit.com Broken Link
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Third Party Advisory
US-CERT Vulnerability Note VU#480095 - Microsoft Internet Explorer 6/7/8/9 contain a use-after-free vulnerability af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
Microsoft Internet Explorer execCommand Flaw Lets Remote Users Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2022-06-08T00:00:00.000ZCVE-2012-4969 added to CISA KEV

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