CVE-2011-3402 — Microsoft Windows Remote Code Execution Vulnerability
CVE-2011-3402: Microsoft Windows Remote Code Execution Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Windows |
| Date added | 2025-10-06 |
| Due date | 2025-10-27 |
| Ransomware campaign use | Unknown |
Description
Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page.
Required action (CISA)
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/2011/ms11-087 ; https://nvd.nist.gov/vuln/detail/CVE-2011-3402
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-3402
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog