“Microsoft shares mitigations for Windows PrintNightmare zero-day bug” via Sergiu Gatlan
“Microsoft has provided mitigation guidance to block attacks on systems vulnerable to exploits targeting the Windows Print Spooler zero-day vulnerability known as PrintNightmare.
This remote code execution (RCE) bug—now tracked as CVE-2021-34527—impacts all versions of Windows per Microsoft, with the company still investigating if the vulnerability is exploitable on all of them.
CVE-2021-34527 allows attackers to take over affected servers via remote code execution with SYSTEM privileges as it enables them to install programs, view, change, or delete data, and create new accounts with full user rights”
For more detail: https://www.bleepingcomputer.com/news/security/microsoft-shares-mitigations-for-windows-printnightmare-zero-day-bug/