FKIE_CVE-2021-26411

Vulnerability from fkie_nvd - Published: 2021-03-11 16:15 - Updated: 2025-10-30 19:56
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Internet Explorer Memory Corruption Vulnerability
References
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26411Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26411Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26411US Government Resource
Impacted products
Vendor Product Version
microsoft edge -
microsoft windows_10_1507 -
microsoft windows_10_1607 -
microsoft windows_10_1803 -
microsoft windows_10_1809 -
microsoft windows_10_1909 -
microsoft windows_10_2004 -
microsoft windows_10_20h2 -
microsoft windows_server_2016 -
microsoft windows_server_2019 -
microsoft internet_explorer 11
microsoft windows_10_1507 -
microsoft windows_10_1607 -
microsoft windows_10_1803 -
microsoft windows_10_1809 -
microsoft windows_10_1909 -
microsoft windows_10_2004 -
microsoft windows_10_20h2 -
microsoft windows_7 -
microsoft windows_8.1 -
microsoft windows_rt_8.1 -
microsoft windows_server_2008 r2
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 -
microsoft windows_server_2019 -
microsoft internet_explorer 9
microsoft windows_server_2008 -
To clipboard 

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  "cisaExploitAdd": "2021-11-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
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  "cveTags": [],
  "descriptions": [
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      "value": "Internet Explorer Memory Corruption Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Corrupci\u00f3n de la Memoria de Internet Explorer"
    }
  ],
  "id": "CVE-2021-26411",
  "lastModified": "2025-10-30T19:56:10.210",
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    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
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          "availabilityImpact": "PARTIAL",
          "baseScore": 5.1,
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  "published": "2021-03-11T16:15:13.863",
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}


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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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