Skip to content
THREATWIRE

CVE Tracker

CVE-2011-3402

Microsoft Windows Remote Code Execution Vulnerability

IN CISA KEV

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.

Vendor
Microsoft
Product
Windows
CVSS
No score recorded (no NVD record loaded for this entry)
CWE
Not recorded
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2025-10-06
Due date
2025-10-27
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.

EPSS

78.1% chance of exploitation in the next 30 days (percentile 99th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.