CVE-2021-1640: Microsoft Windows Print Spooler Time-Of-Check Time-Of-Use Denial-of-Service Vulnerability

First published: Tue Mar 09 2021(Updated: )

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 the Print Spooler service. By creating a directory junction, an attacker can abuse the Print Spooler service to delete a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Credit: secure@microsoft.com secure@microsoft.com

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