Microsoft announced new guidance for the Windows Print Remote Code Execution spooler vulnerability CVE-2021-34527.
A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs, view, change or delete data or create new accounts with full user rights.
National CERT recommends to all users to apply established workarounds and stop exploit of this vulnerability.
More information may find here CVE-2021-34527