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CVE-2011-3402

Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score80.4980%

EPSS Percentile91.67th

PublishedNov 4, 2011

Last ModifiedApr 22, 2026

Vulnerability 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."

Affected Platforms (CPE)

💻

Microsoft

Windows 7

All versions

💻

Microsoft

Windows 7

All versions

💻

Microsoft

Windows Server 2003

All versions

💻

Microsoft

Windows Server 2008

All versions

💻

Microsoft

Windows Server 2008

All versions

💻

Microsoft

Windows Server 2008

All versions

💻

Microsoft

Windows Vista

All versions

💻

Microsoft

Windows Xp

All versions

💻

Microsoft

Windows Xp

All versions

References & Advisories

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

🔗 http://secunia.com/advisories/49121

🔗 http://secunia.com/advisories/49122

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

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

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

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