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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 | - |
References (41)
- http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files Broken Link
- http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx Vendor Advisory
- http://isc.sans.edu/diary/Duqu+Mitigation/11950 Third Party Advisory
- http://secunia.com/advisories/49121 Vendor Advisory
- http://secunia.com/advisories/49122 Vendor Advisory
- http://technet.microsoft.com/security/advisory/2639658 Vendor Advisory
- http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two Not Applicable
- http://www.securitytracker.com/id?1027039 Broken Link
- http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit Not Applicable
- http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf Not Applicable
- http://www.us-cert.gov/cas/techalerts/TA11-347A.html US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-129A.html US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087 Vendor Advisory
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