Actively exploited in the wild
Microsoft Win32k Memory Corruption Vulnerability
Microsoft - Win32k · Listed in the CISA KEV since 2022-03-15. This indicates confirmed attacks in production environments.
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CVE-2015-2546
HighCVSS 8.2KEVExploitation Probability (EPSS)
Very high risk95th percentile - higher than 95% of all known CVEs
Summary
Sterownik w trybie jądra w systemach Microsoft Windows Vista SP2, Windows Server 2008 SP2 i R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold i R2, Windows RT Gold i 8.1 oraz Windows 10 pozwala lokalnym użytkownikom na uzyskanie uprawnień poprzez specjalnie przygotowaną aplikację. Jest to podatność znana jako 'Win32k Memory Corruption Elevation of Privilege Vulnerability'.
Risk Assessment
Podatność ta może umożliwić lokalnym użytkownikom uzyskanie wyższych uprawnień, co stwarza ryzyko nieautoryzowanego dostępu do systemu i danych. Może to prowadzić do poważnych naruszeń bezpieczeństwa w organizacji.
Recommendation
Zaleca się aktualizację systemów operacyjnych do najnowszych wersji, które zawierają poprawki zabezpieczeń. Należy również monitorować i ograniczać dostęp lokalnych użytkowników do krytycznych zasobów systemowych.
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Original NVD description (English source)
The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS