{
  "id": "CVE-2010-3962",
  "url": "https://spydr.io/cve/CVE-2010-3962",
  "published": "2010-11-05T17:00:02.890Z",
  "modified": "2026-06-16T23:23:53.780Z",
  "score": 8.1,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "CISA ADP",
  "epss": 0.96831,
  "epss_percentile": 0.99887,
  "exploited": true,
  "kev": {
    "added": "2025-10-06",
    "due": "2025-10-27",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability",
    "notes": "https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/2458511?redirectedfrom=MSDN ; https://nvd.nist.gov/vuln/detail/CVE-2010-3962"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "microsoft"
  ],
  "products": [
    "microsoft internet explorer"
  ],
  "cwes": [
    "CWE-416"
  ],
  "description": "Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an \"invalid flag reference\" issue or \"Uninitialized Memory Corruption Vulnerability,\" as exploited in the wild in November 2010.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.1,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://secunia.com/advisories/42091",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.exploit-db.com/exploits/15418",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.exploit-db.com/exploits/15421",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/899748",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.microsoft.com/technet/security/advisory/2458511.mspx",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/44536",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id?1024676",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks",
      "tags": [
        "Not Applicable"
      ]
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA10-348A.html",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2880",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/62962",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279",
      "tags": [
        "Tool Signature"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2010-3962",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}