CVE-2013-3918
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Out-of-Bounds Write Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required 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.
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 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 74% (percentile: 99) as of 1 November 2026
- CWE
- CWE-787
Affected 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
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- https://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targ… Vendor Advisory
- http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-… Third Party Advisory
- http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild… Broken Link
- http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering… Third Party Advisory
- http://www.us-cert.gov/ncas/alerts/TA13-317A Third Party AdvisoryUS Government Resource
- https://isc.sans.edu/forums/diary/16985 Third Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken LinkThird Party Advisory
- http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-… Third Party Advisory