CVE-2013-3918 KEV EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 73.7% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2025-10-27.
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."
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 73.69% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2025-10-27 |
| Public exploit | yes |
| Published | 2013-11-12 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Microsoft Windows Out-of-Bounds Write Vulnerability |
|---|---|
| Added | 2025-10-06 |
| Due | 2025-10-27 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | none reported |
Affected (10)
| Vendor | Product |
|---|---|
| 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 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Internet Explorer - CardSpaceClaimCollection ActiveX Integer Underflow (MS13-090) (Metasploit) | 2013-11-27 |
References
- http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx
- http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/
- http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html
- http://www.us-cert.gov/ncas/alerts/TA13-317A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090
- https://isc.sans.edu/forums/diary/16985
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089
- http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx
- http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/
- http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html
- http://www.us-cert.gov/ncas/alerts/TA13-317A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090
- https://isc.sans.edu/forums/diary/16985
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918
- 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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