Don’t panic, but do install the patch.

Microsoft’s monthly Patch Tuesday updates rolled out earlier this week, and you should update Windows pronto. The updates include patches for four severe “wormable” security exploits that can let attackers spread malware without any user action, similar to WannaCry and the BlueKeep vulnerabilitythat coerced Microsoft into releasing a rare post-death patch for Windows XP.
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https://www.pcworld.com/article/3431700/install-windows-10s-august-2019-updates-now-to-protect-your-pc-from-a-nasty-worm.html