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Vulnerability Intelligence Report
Microsoft Windows Remote Code Execution Vulnerability

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."

CISA KEV SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:78.29%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions

Vendor Product Affected Versions
microsoft windows_7 all
microsoft windows_server_2003 all
microsoft windows_server_2008 all
microsoft windows_vista all
microsoft windows_xp all

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

CISA KEV
ACTIVE IN CATALOG
EPSS Score
78.285%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityMicrosoft Corporation · Vendor · USA
Reserved2011-09-09T00:00:00
Published2011-11-04T21:00:00
Patch Date2011-11-03
Last Updated2025-10-22T00:05:48

LINK COPIED TO CLIPBOARD