Microsoft Windows Out-of-Bounds Write Vulnerability
Microsoft — Windows
- Added to KEV catalog
- 6 October 2025
- Federal remediation due date
- 27 October 2025
CISA 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.
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.
Notes
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 ; https://nvd.nist.gov/vuln/detail/CVE-2013-3918
More Microsoft Vulnerabilities
Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
Microsoft SharePoint Weak Authentication Vulnerability
Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Is this vulnerability present in your environment?
CRS delivers independent VAPT assessments that identify exactly which known-exploited vulnerabilities exist in your network, applications, and infrastructure.
Explore VAPT Services