You are reviewing the security status for a small Microsoft workgroup LAN. The network consists of computers running a variety of client platforms, such as Windows 7, Windows 8.1, and Windows 10, and server products. The workgroup contains several groups, based on the following types of computers:

Windows laptops: Traveling salespeople, remote suppliers, branch offices

Windows desktops: Accounting group, developer group, customer service group

Windows servers: Administrative server running Windows Server 2012 R2, Microsoft Exchange, Microsoft SharePoint server, Server Message Block (SMB) server

All client computers run Microsoft Office products, the Microsoft Edge or Internet Explorer web browser, and other standard applications. Some may even still have Adobe Flash Player installed.

Browse the Microsoft Security Update Guide at https://msrc.microsoft.com/update-guide. Set the date range to Sept. 20 Aug 21. Answer the following questions based on the security vulnerabilities for the past 12 months:

What vulnerabilities exist for this workgroup LAN, based on the bulletins? List five of them, making sure to reference the Article # for each. Do not use the same Article # twice. Please provide a detailed overview of each article.

Identify and document at least three critical security vulnerabilities and their respective solutions that are related to the client operating systems being used.