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CVE-2011-3402: Microsoft Windows Remote Code Execution Vulnerability
Microsoft Windows · in CISA KEV since 2025-10-06
2025-10-06added to KEV
2025-10-27federal remediation due date
78.14%EPSS exploit probability (30 days) 99.6th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
5,085days from NVD publication to KEV
What it is
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.
| CWE | — |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2011-11-04 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2011-3402.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.