Actively exploited in the wild
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft - Win32k · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2016-7255
HighCVSS 7.8KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
Sterowniki w trybie jądra w systemach Microsoft Windows Vista SP2, Windows Server 2008 SP2 i R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold i R2, Windows RT 8.1, Windows 10 Gold, 1511 i 1607 oraz Windows Server 2016 umożliwiają lokalnym użytkownikom uzyskanie uprawnień za pomocą spreparowanej aplikacji, znanej jako 'Win32k Elevation of Privilege Vulnerability'.
Risk Assessment
Podatność ta może prowadzić do nieautoryzowanego uzyskania wyższych uprawnień przez lokalnych użytkowników, co stwarza poważne zagrożenie dla bezpieczeństwa systemu i 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)
The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

