Port 22

Microsoft Issues Emergency Patch for Critical Windows PrintNightmare Vulnerability

Microsoft has shipped anemergency out-of-band security updateto address a critical zero-day vulnerability known as “PrintNightmare” that affects the Windows Print Spooler service and can permit remote threat actors to run arbitrary code and take over vulnerable systems. Tracked asCVE-2021-34527(CVSS score: 8.8), the remote code execution flaw impacts all supported editions of Windows.