CVE Vulnerability Advisory Database
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2019-04-09
Windows Win32k Kernel Memory Object Handling Use-After-Free Local Privilege Escalation (CVE-2019-0803)
[Affected Scope] Windows 7, 8.1, 10, and Windows Server 2008, 2012, 2016, 2019 utilizing the Win32k subsystem
[Impact] Local attackers can execute arbitrary code in kernel mode (SYSTEM privileges), completely bypassing OS security boundaries
[Mitigation] Apply official Microsoft cumulative security updates immediately and restrict local execution privileges on unpatched systems