{
  "id": "CVE-2010-0249",
  "url": "https://spydr.io/cve/CVE-2010-0249",
  "published": "2010-01-15T17:30:00.533Z",
  "modified": "2026-06-16T23:15:47.577Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.91939,
  "epss_percentile": 0.99817,
  "exploited": true,
  "kev": {
    "added": "2026-05-20",
    "due": "2026-06-03",
    "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 Use-After-Free Vulnerability",
    "notes": "https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0249"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "microsoft"
  ],
  "products": [
    "microsoft internet explorer"
  ],
  "cwes": [
    "CWE-416"
  ],
  "description": "Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2003 SP2; Windows Vista Gold, SP1, and SP2; Windows Server 2008 Gold, SP2, and R2; and Windows 7 allows remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object, related to incorrectly initialized memory and improper handling of objects in memory, as exploited in the wild in December 2009 and January 2010 during Operation Aurora, aka \"HTML Object Memory Corruption Vulnerability.\"",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://blogs.technet.com/msrc/archive/2010/01/14/security-advisory-979352.aspx",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://news.cnet.com/8301-27080_3-10435232-245.html",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://osvdb.org/61697",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://securitytracker.com/id?1023462",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://support.microsoft.com/kb/979352",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.exploit-db.com/exploits/11167",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/492515",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.microsoft.com/technet/security/advisory/979352.mspx",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/37815",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA10-055A.html",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/0135",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55642",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6835",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2010-0249",
  "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."
    }
  ]
}