Windows Win32k local privilege escalation vulnerability CVE-2021-1732

Windows Win32k local privilege escalation vulnerability CVE-2021-1732

Vulnerability Description

On February 10, 2021, a local privilege escalation vulnerability in Microsoft’s monthly routine patch package was fixed in a Windows system that local attackers can exploit to elevate to system permissions, which is said to be used for targeted attack activities. The Red Raindrop Team of the Qi’an Information Threat Intelligence Center immediately followed up on the vulnerability and confirmed its availability. The corresponding exploitation procedures for the vulnerability have been made public and may be transformed to perform large-scale attacks, which has posed a real threat.

Vulnerability Impact

Windows Server, version 20H2 (Server Core Installation) Windows 10 Version 20H2 for ARM64-based Systems Windows 10 Version 20H2 for 32-bit Systems Windows 10 Version 20H2 for x64-based Systems Windows Server, version 2004 (Server Core installation) Windows 10 Version 2004 for x64-based Systems Windows 10 Version 2004 for ARM64-based Systems Windows 10 Version 2004 for 32-bit Systems Windows Server, version 1909 (Server Core installation) Windows 10 Version 1909 for ARM64-based Systems Windows 10 Version 1909 for x64-based Systems Windows 10 Version 1909 for 32-bit Systems Windows Server 2019 (Server Core installation) Windows Server 2019 Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 1809 for x64-based Systems Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 for x64-based Systems

Vulnerability reappears

Here we use Tencent Cloud’s Windows 2019 Server to build the environment

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Upload to the server to run, and run with System permissions

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