Actively exploited · CISA KEV · NVD published 2013-11-12
Actively exploitedCVE-2013-3918
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."
- First PoC
- 4227 days →Metasploit
- 481 days →First cited attacker
Signals
- Exploited in the wild
- Yesadded 2025-10-06 · due 2025-10-27. An observation, not a forecast.
- EPSS · 30-day forecast
- 74%Chance of exploitation in the next 30 days, 99th percentile of all CVEs. A forecast; KEV outranks it.
- CVSS · NVD · HIGH
- 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Internet exposure
- not stated by sourcesNo exposure census on this CVE's dispatches.
Exploits
2 known · links onlyMetasploit1
This module exploits a vulnerability on the CardSpaceClaimCollection class from the icardie.dll ActiveX control. The vulnerability exists while the handling of the CardSpaceClaimCollection object. CardSpaceClaimCollections stores a collection of elements on a SafeArray and keeps a size field, counting the number of elements on the collection. By calling the remove() method on an empty CardSpaceClaimCollection it is possible to underflow the lengt
ruby · seen 2026-10-18
Exploit-DB1
created 2013-11-27
On the wire
0 dispatchesNo dispatch on our wire has named this CVE yet.
Watch this one?
KEV additions reach Telegram and the KEV-only RSS as they land.
Check your stack
Paste what you run: the CVEs exploited in the wild against it, and who is cited as exploiting them, with the report.
Stack checkNo key. No signup.