Vulnerability Intelligence Report
Microsoft Windows Out-of-Bounds Write Vulnerability
CVE-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."
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:73.87%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| microsoft | windows_7 | all |
| microsoft | windows_8 | all |
| microsoft | windows_8.1 | all |
| microsoft | windows_rt | all |
| microsoft | windows_rt_8.1 | all |
| microsoft | windows_server_2003 | all |
| microsoft | windows_server_2008 | r2, sp2 |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_vista | all |
| microsoft | windows_xp | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2013-06-03T00:00:00 |
| Published | 2013-11-12T01:00:00 |
| Patch Date | 2013-11-08 |
| Last Updated | 2025-10-22T00:05:40 |
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