This zero-day is being exploited by hackers by tricking unsuspecting users to open a specially crafted file through emails or malicious websites. I know those long Windows Updates can be annoying but when they contain fixes for zero-day vulnerabilities and other dangerous bugs like the ones described above, you shouldn’t hold off on installing them. If you’re on a tight budget, Microsoft’s built-in antivirus software Windows Defender can help scan your PC for malware and keep you safe from other cyberthreats