CVE-2011-3402 — Actively Exploited: Windows (Microsoft)
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.
| CVE ID | CVE-2011-3402 |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| Vulnerability name | Microsoft Windows Remote Code Execution Vulnerability |
| Date added | 2025-10-06 |
| Remediation due | 2025-10-27 |
| Known ransomware use | Unknown |
| 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 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. |
| Source | CISA Known Exploited Vulnerabilities |
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