Microsoft May 2020 Security Updates

The Microsoft May security updates have been released and consist of 111 CVEs.  Of these 111 CVEs, 16 are rated Critical and 95 are rated Important in severity.

The updates apply to the following:  Microsoft Windows, Microsoft Edge (EdgeHTML-based), Microsoft Edge (Chromium-based), ChakraCore, Internet Explorer, Microsoft Office and Microsoft Office Services and Web Apps, Windows Defender, Visual Studio, Microsoft Dynamics, .NET Framework, .NET Core, and Power BI.

The KBs listed below contain information about known issues with the security updates.

KB Article	Applies To
4551853	Windows 10 Version 1809, Windows Server 2019
4556813	Windows 10, version 1607, Windows Server 2016
4556836	Windows 7, Windows Server 2008 R2 (Monthly Rollup)
4556843	Windows 7, Windows Server 2008 R2 (Security-only update)
4556854	Windows Server 2008 Service Pack 2 (Security-only update)
4556860	Windows Server 2008 Service Pack 2 (Monthly Rollup)

Recommended Reading:  

See Dustin Childs review and analysis in Zero Day Initiative — The May 2020 Security Update Review.

For more information about the updates released today, see https://portal.msrc.microsoft.com/en-us/security-guidance/summary.  Updates can be sorted by OS from the search box. Information about the update for Windows 10 is available at Windows 10 Update history.

Additional Update Notes:

• Adobe Flash Player -- For Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows RT 8.1 and Windows 10, Adobe Flash Player is now a security bulletin rather than a security advisory and is included with the updates as identified above. Note, however, that there are no Adobe Flash Player security updates for Active X.
• MSRT -- Microsoft released an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.  Note:  Users who are paranoid about the remote possibility of a FP can opt to run this tool from a Command Prompt, appending a   /N   parameter [for "detect only" mode].
• Servicing Stack Updates -- A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update. Learn more about SSU's in Servicing Stack Updates (SSU)
• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are also available via the Microsoft Update Catalog.
• For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
• Windows Update History:
  • Windows 10
  • Windows 8.1

References

• Security Update FAQ
• May Security Updates Guide

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