CVE-2013-3918: Microsoft Windows Out-of-Bounds Write Vulnerability

CISA Known Exploited Vulnerabilities

Name

Microsoft Windows Out-of-Bounds Write Vulnerability

Vendor

Microsoft

Product

Windows

Added to the catalog

2025-10-06

Due date for US federal agencies

2025-10-27

Catalog version

2026.10.30

Microsoft Windows contains an out-of-bounds write vulnerability in the InformationCardSigninHelper Class ActiveX control, icardie.dll. An attacker could exploit the vulnerability by constructing a specially crafted webpage. When a user views the webpage, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Required action (CISA)

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 use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090
• https://nvd.nist.gov/vuln/detail/CVE-2013-3918

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2013-11-12T14:35:11.713

Last modified

2026-06-16T23:56:01.110

Weaknesses

CWE-787

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."

References

• http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx (Third Party Advisory)
• http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/ (Broken Link)
• http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html (Third Party Advisory)
• http://www.us-cert.gov/ncas/alerts/TA13-317A (Third Party Advisory, US Government Resource)
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 (Patch, Vendor Advisory)
• https://isc.sans.edu/forums/diary/16985 (Third Party Advisory)
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089 (Broken Link, Third Party Advisory)
• http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx (Third Party Advisory)
• http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/ (Broken Link)
• http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html (Third Party Advisory)
• http://www.us-cert.gov/ncas/alerts/TA13-317A (Third Party Advisory, US Government Resource)
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 (Patch, Vendor Advisory)
• https://isc.sans.edu/forums/diary/16985 (Third Party Advisory)
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089 (Broken Link, Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918 (US Government Resource)
• https://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targeted-attack-using-ie-vulnerability-cve-2013-3918/ (Vendor Advisory)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:28.906Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2013-3918

CVE record

Assigner

microsoft

State

PUBLISHED

Published

2013-11-12T01:00:00.000Z

Updated

2025-10-22T00:05:40.129Z

Problem types

n/a

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."

References

• TA13-317A
• http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/
• MS13-090
• http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html
• oval:org.mitre.oval:def:19089
• https://isc.sans.edu/forums/diary/16985
• http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx

Read on 2026-11-03T00:24:55.277Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2013/3xxx/CVE-2013-3918.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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