CVE-2013-3918: Microsoft Windows Out-of-Bounds Write Vulnerability
Affects Microsoft WindowsSource CISA KEV
No CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 10/06/2025
- KEV deadline
- 10/27/2025
- EPSS
- 73.7% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA 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
Microsoft Windows contains an out-of-bounds write vulnerability in the InformationCardSigninHelper Class ActiveX control, icardie.dll. An attacker could exploit the vulnerability by constructing a specially crafted webpage. When a user views the webpage, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.