CVE-2011-3402
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
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."
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 78% (percentile: 100) as of 1 November 2026
Affected products
microsoft: windows 7; microsoft: windows server 2003; microsoft: windows server 2008; microsoft: windows vista; microsoft: windows xp
References
- http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-… Vendor Advisory
- http://secunia.com/advisories/49121 Vendor Advisory
- http://secunia.com/advisories/49122 Vendor Advisory
- http://technet.microsoft.com/security/advisory/2639658 Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-0… Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-0… Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-0… Vendor Advisory
- http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-… Vendor Advisory
- http://secunia.com/advisories/49121 Vendor Advisory
- http://secunia.com/advisories/49122 Vendor Advisory