October 6, 2025 · Applied Cybernetics Group
CVE-2011-3402 — Microsoft Windows
Microsoft Windows Remote Code Execution Vulnerability
- Added to KEV
2025-10-06- Federal due date
2025-10-27- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 99.5th percentile (score 0.883, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2011-3402
CISA short 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
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.