Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-06-08. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-06-22. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / n/a
Default status: Not specified
- affected: n/a
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- http://www.us-cert.gov/cas/techalerts/TA12-265A.html
- http://www.kb.cert.org/vuls/id/480095
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729
- http://www.us-cert.gov/cas/techalerts/TA12-262A.html
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
- http://technet.microsoft.com/security/advisory/2757760
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- 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://www.securitytracker.com/id?1027538
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.8025,
"percentile": 0.99624
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.8025,
"percentile": 0.99622
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.8025,
"percentile": 0.99622
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.8025,
"percentile": 0.99622
}08 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T20:50:18.437Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "TA12-265A",
"tags": [
"third-party-advisory",
"x_refsource_CERT",
"x_transferred"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-265A.html"
},
{
"name": "VU#480095",
"tags": [
"third-party-advisory",
"x_refsource_CERT-VN",
"x_transferred"
],
"url": "http://www.kb.cert.org/vuls/id/480095"
},
{
"name": "oval:org.mitre.oval:def:15729",
"tags": [
"vdb-entry",
"signature",
"x_refsource_OVAL",
"x_transferred"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729"
},
{
"name": "TA12-262A",
"tags": [
"third-party-advisory",
"x_refsource_CERT",
"x_transferred"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-262A.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "http://technet.microsoft.com/security/advisory/2757760"
},
{
"name": "TA12-255A",
"tags": [
"third-party-advisory",
"x_refsource_CERT",
"x_transferred"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-255A.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb"
},
{
"name": "1027538",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id?1027538"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2012-4969",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T21:20:31.922142Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2022-06-08",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-22T00:05:46.392Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969"
}
],
"timeline": [
{
"lang": "en",
"time": "2022-06-08T00:00:00.000Z",
"value": "CVE-2012-4969 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2012-09-16T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2017-09-18T12:57:01.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"name": "TA12-265A",
"tags": [
"third-party-advisory",
"x_refsource_CERT"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-265A.html"
},
{
"name": "VU#480095",
"tags": [
"third-party-advisory",
"x_refsource_CERT-VN"
],
"url": "http://www.kb.cert.org/vuls/id/480095"
},
{
"name": "oval:org.mitre.oval:def:15729",
"tags": [
"vdb-entry",
"signature",
"x_refsource_OVAL"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729"
},
{
"name": "TA12-262A",
"tags": [
"third-party-advisory",
"x_refsource_CERT"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-262A.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "http://technet.microsoft.com/security/advisory/2757760"
},
{
"name": "TA12-255A",
"tags": [
"third-party-advisory",
"x_refsource_CERT"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA12-255A.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb"
},
{
"name": "1027538",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK"
],
"url": "http://www.securitytracker.com/id?1027538"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2012-4969",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "TA12-265A",
"refsource": "CERT",
"url": "http://www.us-cert.gov/cas/techalerts/TA12-265A.html"
},
{
"name": "VU#480095",
"refsource": "CERT-VN",
"url": "http://www.kb.cert.org/vuls/id/480095"
},
{
"name": "oval:org.mitre.oval:def:15729",
"refsource": "OVAL",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729"
},
{
"name": "TA12-262A",
"refsource": "CERT",
"url": "http://www.us-cert.gov/cas/techalerts/TA12-262A.html"
},
{
"name": "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild",
"refsource": "MISC",
"url": "http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild"
},
{
"name": "http://technet.microsoft.com/security/advisory/2757760",
"refsource": "CONFIRM",
"url": "http://technet.microsoft.com/security/advisory/2757760"
},
{
"name": "TA12-255A",
"refsource": "CERT",
"url": "http://www.us-cert.gov/cas/techalerts/TA12-255A.html"
},
{
"name": "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/",
"refsource": "MISC",
"url": "http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/"
},
{
"name": "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb",
"refsource": "MISC",
"url": "http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb"
},
{
"name": "1027538",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id?1027538"
},
{
"name": "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/",
"refsource": "MISC",
"url": "http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2012-4969",
"datePublished": "2012-09-18T10:00:00.000Z",
"dateReserved": "2012-09-18T00:00:00.000Z",
"dateUpdated": "2025-10-22T00:05:46.392Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.8025,
"percentile": 0.99621
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.8025,
"percentile": 0.99621
}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.8025,
"percentile": 0.99621
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.8025,
"percentile": 0.99621
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.8025,
"percentile": 0.9962
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.8025,
"percentile": 0.99619
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2012-4969",
"cwes": [],
"dateAdded": "2022-06-08",
"dueDate": "2022-06-22",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2012-4969",
"product": "Internet Explorer",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft Internet Explorer contains a use-after-free vulnerability that allows remote attackers to execute code via a crafted web site.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Internet Explorer Use-After-Free Vulnerability"
}