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."

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspxThird 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.htmlThird Party Advisory
http://www.us-cert.gov/ncas/alerts/TA13-317AThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090Patch, Vendor Advisory
https://isc.sans.edu/forums/diary/16985Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089Broken Link, Third Party Advisory
http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspxThird 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.htmlThird Party Advisory
http://www.us-cert.gov/ncas/alerts/TA13-317AThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090Patch, Vendor Advisory
https://isc.sans.edu/forums/diary/16985Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089Broken Link, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918US 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

Timeline

Published: Nov 12, 2013
Last modified: Jun 16, 2026
Added to CISA KEV: Oct 6, 2025
NVD status: Analyzed