Privilege escalation in Microsoft Windows Kernel ( CVE-2021-42285 ) The vulnerability allows a local user to escalate privileges on the system. The vulnerability exists due to application does not properly impose security restrictions in Windows Kernel, which leads to security restrictions bypass and privilege escalation. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system. Windows Version Microsoft Windows 10 Microsoft Windows 10 20h2 Microsoft Windows 10 21h1 Microsoft Windows 10 1607 Microsoft Windows 10 1809 Microsoft Windows 10 1909 Microsoft Windows 10 2004 Microsoft Windows 11 Microsoft Windows 7 Microsoft Windows 8.1 Microsoft Windows Rt 8.1 Microsoft Windows Server 20h2 Microsoft Windows Server 2004 Microsoft Windows Server 2008 R2 Microsoft Windows Server 2012 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2016 Microsoft Windows Server 2019 Microsoft Windows Server