Microsoft issues 83 patches, one for actively exploited vulnerability.Get patching! Wormable Windows flaw headlines Patch Tuesday.Patch now! Emergency fix for PrintNightmare released by Microsoft.HiveNightmare zero-day lets anyone be SYSTEM on Windows 10 and 11.Consider the following headlines from thus far in 2021: Does Windows 10 need antivirus to protect your PC from today's threats like ransomware and other forms of malware? The short answer is yes.