CVE-2021-43211

Una Vulnerabilidad de Elevación de Privilegios en el Asistente de Actualización de Windows 10. Este CVE ID es diferente de CVE-2021-42297

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within Windows Update Assistant. By creating a directory junction, an attacker can abuse Windows Update Assistant to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of Administrator.