# CVE-2011-3402: Microsoft Windows Remote Code Execution Vulnerability

> CVE-2011-3402: Microsoft Windows Remote Code Execution Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2011-3402
Last updated: 2025-10-22T00:05:48Z

- Published: 2011-11-04 21:00 UTC · Updated: 2025-10-22 00:05 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 78.1%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-10-06, federal due date 2025-10-27, ransomware use: Unknown

## 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."

## CISA 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.

## Affected vendors and products

- Microsoft: Windows

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2011-3402)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2011-3402)
- [http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files](http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files)
- [http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx](http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx)
- [http://isc.sans.edu/diary/Duqu+Mitigation/11950](http://isc.sans.edu/diary/Duqu+Mitigation/11950)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039)
- [http://secunia.com/advisories/49121](http://secunia.com/advisories/49121)
- [http://secunia.com/advisories/49122](http://secunia.com/advisories/49122)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A13998)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A15290)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A15645)
- [http://technet.microsoft.com/security/advisory/2639658](http://technet.microsoft.com/security/advisory/2639658)
- [http://www.securelist.com/en/blog/208193197/The\_Mystery\_of\_Duqu\_Part\_Two](http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two)
- [http://www.securitytracker.com/id?1027039](http://www.securitytracker.com/id?1027039)
- [http://www.symantec.com/connect/w32-duqu\_status-updates\_installer-zero-day-exploit](http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit)
- [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/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf)
- [http://www.us-cert.gov/cas/techalerts/TA11-347A.html](http://www.us-cert.gov/cas/techalerts/TA11-347A.html)
- [http://www.us-cert.gov/cas/techalerts/TA12-129A.html](http://www.us-cert.gov/cas/techalerts/TA12-129A.html)
- [http://www.us-cert.gov/cas/techalerts/TA12-164A.html](http://www.us-cert.gov/cas/techalerts/TA12-164A.html)
- [http://www.us-cert.gov/control\_systems/pdf/ICS-ALERT-11-291-01E.pdf](http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2011-3402 · Markdown: https://rewindex.com/cve/CVE-2011-3402.md · JSON: https://rewindex.com/api/v1/cves/CVE-2011-3402 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:20.510Z