CISA Issues Emergency Directive on Microsoft Windows Print Spooler

Original release date: July 13, 2021CISA has issued Emergency Directive (ED) 21-04: Mitigate Windows Print Spooler Service Vulnerability addressing CVE-2021-34527. Attackers can exploit this vulnerability to remotely execute code with system level privileges enabling a threat actor to quickly compromise the entire identity infrastructure of a targeted organization.   Specifically, ED 21-04 directs federal departments and agencies to immediately apply the Microsoft July 2021 updates and disable the print spooler service on servers on Microsoft Active Directory (AD) Domain Controllers (DCs)....