All vulnerabilities
CVE-2011-3402

Microsoft Windows Remote Code Execution Vulnerability

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 6 Oct 2025CISA KEV
Exploit odds (EPSS)78.1%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline27 Oct 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 4 Nov 2011, 21:00 UTCPublishedCVE List
  2. 6 Oct 2025Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 8