{
  "id": "CVE-2013-3918",
  "url": "https://spydr.io/cve/CVE-2013-3918",
  "published": "2013-11-12T14:35:11.713Z",
  "modified": "2026-06-16T23:56:01.110Z",
  "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": 0.73693,
  "epss_percentile": 0.99462,
  "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 Windows Out-of-Bounds Write Vulnerability",
    "notes": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 ; https://nvd.nist.gov/vuln/detail/CVE-2013-3918"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "microsoft"
  ],
  "products": [
    "microsoft windows 7",
    "microsoft windows 8",
    "microsoft windows 8.1",
    "microsoft windows rt",
    "microsoft windows rt 8.1",
    "microsoft windows server 2003",
    "microsoft windows server 2008",
    "microsoft windows server 2012",
    "microsoft windows vista",
    "microsoft windows xp"
  ],
  "cwes": [
    "CWE-787"
  ],
  "description": "The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via a crafted web page that is accessed by Internet Explorer, as exploited in the wild in November 2013, aka \"InformationCardSigninHelper Vulnerability.\"",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.us-cert.gov/ncas/alerts/TA13-317A",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://isc.sans.edu/forums/diary/16985",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089",
      "tags": [
        "Broken Link",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918",
      "tags": [
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targeted-attack-using-ie-vulnerability-cve-2013-3918/",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2013-3918",
  "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."
    }
  ]
}