CVE-2011-3402

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."

• http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-filesBroken Link
• http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspxVendor Advisory
• http://isc.sans.edu/diary/Duqu+Mitigation/11950Third Party Advisory
• http://secunia.com/advisories/49121Vendor Advisory
• http://secunia.com/advisories/49122Vendor Advisory
• http://technet.microsoft.com/security/advisory/2639658Vendor Advisory
• http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_TwoNot Applicable
• http://www.securitytracker.com/id?1027039Broken Link
• http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploitNot Applicable
• http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdfNot Applicable
• http://www.us-cert.gov/cas/techalerts/TA11-347A.htmlUS Government Resource
• http://www.us-cert.gov/cas/techalerts/TA12-129A.htmlUS Government Resource
• http://www.us-cert.gov/cas/techalerts/TA12-164A.htmlUS Government Resource
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdfUS Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087Vendor Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034Vendor Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998Broken Link
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290Broken Link
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645Broken Link
• http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-filesBroken Link
• http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspxVendor Advisory
• http://isc.sans.edu/diary/Duqu+Mitigation/11950Third Party Advisory
• http://secunia.com/advisories/49121Vendor Advisory
• http://secunia.com/advisories/49122Vendor Advisory
• http://technet.microsoft.com/security/advisory/2639658Vendor Advisory
• http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_TwoNot Applicable
• http://www.securitytracker.com/id?1027039Broken Link
• http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploitNot Applicable
• http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdfNot Applicable
• http://www.us-cert.gov/cas/techalerts/TA11-347A.htmlUS Government Resource
• http://www.us-cert.gov/cas/techalerts/TA12-129A.htmlUS Government Resource
• http://www.us-cert.gov/cas/techalerts/TA12-164A.htmlUS Government Resource
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdfUS Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087Vendor Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034Vendor Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998Broken Link
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290Broken Link
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645Broken Link
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-3402US Government Resource

Published

Nov 4, 2011

Last Modified

Jun 16, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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