CVE-2021-26866

Una Vulnerabilidad de Elevación de Privilegios del Update Service de Windows

This vulnerability allows local attackers to create a denial-of-service condition 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 Agent. By creating a directory junction, an attacker can abuse Windows Update Agent to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.