CVE-2011-3402

high

Description

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."

References

Exploits
More

https://securityaffairs.com/183049/security/u-s-cisa-adds-oracle-mozilla-microsoft-windows-linux-kernel-and-microsoft-ie-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2025/10/06/cisa-adds-seven-known-exploited-vulnerabilities-catalog

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf

http://www.us-cert.gov/cas/techalerts/TA12-164A.html

http://www.us-cert.gov/cas/techalerts/TA12-129A.html

http://www.us-cert.gov/cas/techalerts/TA11-347A.html

http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf

http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit

http://www.securitytracker.com/id?1027039

http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two

http://technet.microsoft.com/security/advisory/2639658

http://secunia.com/advisories/49122

http://secunia.com/advisories/49121

http://isc.sans.edu/diary/Duqu+Mitigation/11950

http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx

http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files

Details

Source: Mitre, NVD

Published: 2011-11-04

Updated: 2025-10-07

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.89746