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CVE-2011-3402

HIGH CISA KEV

Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."

Published: Nov 4, 2011 Modified: Apr 22, 2026
NVD-CWE-noinfo

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: REQUIRED Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products (9)

Vendor Product Version
microsoft windows_7 -
microsoft windows_7 -
microsoft windows_server_2003 -
microsoft windows_server_2008 -
microsoft windows_server_2008 -
microsoft windows_server_2008 -
microsoft windows_vista -
microsoft windows_xp -
microsoft windows_xp -

Risk Scores

CVSS Score 8.8 / 10
EPSS Score 88.31%

Top 0% most likely to be exploited

Threat Score 91.7 / 100

CISA Known Exploited

Date Added: 2025-10-06
Due Date: 2025-10-27
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.

Data Sources

NVD CISA KEV EPSS