MSRC_CVE-2021-26411
Vulnerability from csaf_microsoft - Published: 2021-03-09 08:00 - Updated: 2021-03-09 08:00Summary
Internet Explorer Memory Corruption Vulnerability
Severity
Critical
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
Affected products
Fixed
54 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Internet Explorer 9 6.0.6003.21070
Internet Explorer 9
|
6.0.6003.21070 | ||
|
Internet Explorer 9 6.0.6003.21070
Internet Explorer 9
|
6.0.6003.21070 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Internet Explorer 11 6.3.9600.19968
Internet Explorer 11
|
6.3.9600.19968 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 | ||
|
Microsoft Edge (EdgeHTML-based) 10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
10.0.19043.867 |
Known affected
54 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Microsoft Edge (EdgeHTML-based) <10.0.19043.867
Microsoft Edge (EdgeHTML-based)
|
<10.0.19043.867 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 11 <6.3.9600.19968
Internet Explorer 11
|
<6.3.9600.19968 |
Vendor Fix
fix
|
|
|
Internet Explorer 9 <6.0.6003.21070
Internet Explorer 9
|
<6.0.6003.21070 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Internet Explorer 9 <6.0.6003.21070
Internet Explorer 9
|
<6.0.6003.21070 |
Vendor Fix
fix
Vendor Fix
fix
|
Threats
Impact
Remote Code Execution
Exploit Status
Publicly Disclosed:Yes;Exploited:Yes;Latest Software Release:Exploitation Detected;Older Software Release:Exploitation Detected
References
7 references
{
"document": {
"acknowledgments": [
{
"names": [
"yangkang(@dnpushme) \u0026 huangyi(@C0rk1_H)"
]
},
{
"names": [
"\u003ca href=\"https://enki.co.kr\"\u003eEnki\u003c/a\u003e"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2021-26411 Internet Explorer Memory Corruption Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26411"
},
{
"category": "self",
"summary": "CVE-2021-26411 Internet Explorer Memory Corruption Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2021/msrc_cve-2021-26411.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Internet Explorer Memory Corruption Vulnerability",
"tracking": {
"current_release_date": "2021-03-09T08:00:00.000Z",
"generator": {
"date": "2026-08-19T16:30:03.229Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2021-26411",
"initial_release_date": "2021-03-09T08:00:00.000Z",
"revision_history": [
{
"date": "2021-03-09T08:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.21070",
"product": {
"name": "Internet Explorer 9 \u003c6.0.6003.21070",
"product_id": "53"
}
},
{
"category": "product_version",
"name": "6.0.6003.21070",
"product": {
"name": "Internet Explorer 9 6.0.6003.21070",
"product_id": "10336-9312"
}
}
],
"category": "product_name",
"name": "Internet Explorer 9"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.21070",
"product": {
"name": "Internet Explorer 9 \u003c6.0.6003.21070",
"product_id": "54"
}
},
{
"category": "product_version",
"name": "6.0.6003.21070",
"product": {
"name": "Internet Explorer 9 6.0.6003.21070",
"product_id": "10336-9318"
}
}
],
"category": "product_name",
"name": "Internet Explorer 9"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 \u003c6.3.9600.19968",
"product_id": "23"
}
},
{
"category": "product_version",
"name": "6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 6.3.9600.19968",
"product_id": "10486-11497"
}
}
],
"category": "product_name",
"name": "Internet Explorer 11"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 \u003c6.3.9600.19968",
"product_id": "24"
}
},
{
"category": "product_version",
"name": "6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 6.3.9600.19968",
"product_id": "10486-11498"
}
}
],
"category": "product_name",
"name": "Internet Explorer 11"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 \u003c6.3.9600.19968",
"product_id": "25"
}
},
{
"category": "product_version",
"name": "6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 6.3.9600.19968",
"product_id": "10486-11563"
}
}
],
"category": "product_name",
"name": "Internet Explorer 11"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 \u003c6.3.9600.19968",
"product_id": "26"
}
},
{
"category": "product_version",
"name": "6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 6.3.9600.19968",
"product_id": "10486-11568"
}
}
],
"category": "product_name",
"name": "Internet Explorer 11"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.19968",
"product": {
"name": "Internet Explorer 11 \u003c6.3.9600.19968",
"product_id": "27"
}
},
{
"category": "product_version",
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"vulnerabilities": [
{
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"notes": [
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"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "An attacker could host a specially crafted website designed to exploit the vulnerability through Internet Explorer and then convince a user to view the website. The attacker could also take advantage of compromised websites, or websites that accept or host user-provided content or advertisements, by adding specially crafted content that could exploit the vulnerability. However, in all cases an attacker would have no way to force a user to view the attacker-controlled content. Instead, an attacker would have to convince a user to take action, typically by an enticement in an email or instant message, or by getting the user to open an attachment sent through email.",
"title": "How could an attacker exploit the vulnerability?"
}
],
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},
"references": [
{
"category": "self",
"summary": "CVE-2021-26411 Internet Explorer Memory Corruption Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26411"
},
{
"category": "self",
"summary": "CVE-2021-26411 Internet Explorer Memory Corruption Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2021/msrc_cve-2021-26411.json"
}
],
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"environmentalScore": 0.0,
"exploitCodeMaturity": "PROOF_OF_CONCEPT",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "CHANGED",
"temporalScore": 7.9,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L/E:P/RL:O/RC:C",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:Yes;Exploited:Yes;Latest Software Release:Exploitation Detected;Older Software Release:Exploitation Detected"
}
],
"title": "Internet Explorer Memory Corruption Vulnerability"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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