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CVE-2013-3918

Status: AnalyzedHigh (8.8)⚠ Active exploitation

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."

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

CISA KEV — actively exploited

Affected technologies (10)

Microsoft — Windows 7Microsoft — Windows 8Microsoft — Windows 8.1Microsoft — Windows RTMicrosoft — Windows RT 8.1Microsoft — Windows Server 2003Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows VistaMicrosoft — Windows XP

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2013-3918",
  "cveTags": [],
  "metrics": {
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              "automatable": "no"
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          ],
          "version": "2.0.3",
          "timestamp": "2025-10-04T03:55:30.388596Z"
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          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
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      "affectedData": [
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  "published": "2013-11-12T14:35:11.713",
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      "url": "https://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targeted-attack-using-ie-vulnerability-cve-2013-3918/",
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "value": "CWE-787"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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.\""
    },
    {
      "lang": "es",
      "value": "El control InformationCardSigninHelper Class ActiveX en la biblioteca icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server versión 2003 SP2, Windows Vista versión SP2, Windows Server versión 2008 SP2 y R2 SP1, Windows 7 SP1, Windows 8, Windows versión 8.1, Windows Server 2012 Gold and R2, y Windows RT Gold  y versión 8.1 permiten a los atacantes remotos ejecutar código arbitrario o provocar una Denegación de Servicio (escritura fuera de límites) por medio de una página web creada a la que accede Internet Explorer, explotada de forma inminente en noviembre de 2013, también conocida como \"InformationCardSigninHelper Vulnerability.\""
    }
  ],
  "lastModified": "2026-06-16T23:56:01.110",
  "cisaActionDue": "2025-10-27",
  "cisaExploitAdd": "2025-10-06",
  "configurations": [
    {
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  "sourceIdentifier": "secure@microsoft.com",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Microsoft Windows Out-of-Bounds Write Vulnerability"
}