Actively exploited in the wild
Microsoft Windows Remote Code Execution Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2025-10-06. This indicates confirmed attacks in production environments.
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.
CVE-2011-3402
HighCVSS 8.8KEVSummary
Nieokreślona podatność w silniku analizy czcionek TrueType w win32k.sys w sterownikach trybu jądra systemu Microsoft Windows umożliwia zdalnym atakującym wykonanie dowolnego kodu poprzez spreparowane dane czcionek w dokumencie Word lub na stronie internetowej. Podatność ta była wykorzystywana w atakach w listopadzie 2011 roku przez Duqu.
Risk Assessment
Wykorzystanie tej podatności może prowadzić do zdalnego wykonania kodu, co stwarza poważne zagrożenie dla integralności i poufności systemów oraz danych organizacji.
Recommendation
Zaleca się aktualizację systemów operacyjnych do najnowszych wersji oraz zastosowanie odpowiednich poprawek bezpieczeństwa, aby zminimalizować ryzyko związane z tą podatnością.
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Original NVD description (English source)
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."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

