KLA20189
ACE vulnerability in Microsoft Windows

Remote code execution vulnerability was found in Microsoft Windows. Malicious users can exploit this vulnerability to execute arbitrary code.

Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H1 for x64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 for 32-bit Systems
Windows RT 8.1
Windows Server 2012 (Server Core installation)
Windows 10 Version 22H2 for ARM64-based Systems
Windows Server 2022
Windows 8.1 for 32-bit systems
Windows Server 2012
Windows 11 version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2012 R2
Windows 11 version 21H2 for ARM64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 8.1 for x64-based systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows Server 2012 R2 (Server Core installation)
Windows 10 Version 1809 for ARM64-based Systems
Windows Server 2016 (Server Core installation)
Windows 10 Version 21H1 for ARM64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows Server 2022 (Server Core installation)
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2016
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 21H2 for x64-based Systems

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2023-21712

5019970
5019966
5020023
5019080
5020010
5019959
5020003
5019980
5019081
5019961
5019964
5020009