Microsoft Updates

Please use Windows/Automatic Updates to determine which updates are applicable to your particular system. For more information, see https://portal.msrc.microsoft.com/en-us/security-guidance/summary

The May security updates consist of 79 CVEs and two advisories.
22 are rated Critical
57 are rated Important

* Microsoft also released KB 4500331 for versions of Windows that no longer receive mainstream support: Windows XP SP3 x86, Windows XP Professional X64 SP2, Windows XP Embedded SP3 x86 as well as Windows Server 2003.
This is because of the severity of the vulnerability.
See: https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2019-0708
https://support.microsoft.com/en-us/help/4500331/windows-update-kb4500331

Regarding Windows 10, Version 1809: KB4494441 (OS Build 17763.503) a prerequisite is required: The servicing stack update (SSU) (KB4499728) must be installed before installing the latest cumulative update (LCU). The LCU will not be reported as applicable until the SSU is installed.
https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates#why-should-servicing-stack-updates-be-installed-and-kept-up-to-date

For users running Windows 10, Version 1803: See: KB4499167 (OS Build 17134.765)info:
https://support.microsoft.com/en-us/help/4499167/windows-10-update-kb4499167

An updated version of the Microsoft Windows Malicious Software Removal Tool (MSRT) was also released on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.

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Adobe Updates

Adobe Flash Player 32.0.0.192 has been released

Internet Explorer -
https://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player_ax.exe

Plugin-based browsers (Firefox etc) -
https://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player.exe

PPAPI/Pepper-Chromium based-
https://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player_ppapi.exe

 Adobe Acrobat DC and Reader DC, for Windows.
Version 2019.012.20034
These updates address critical vulnerabilities that could potentially allow an attacker to take control of the affected system. The update is available via the program's internal updater: Help / Check for Updates.

Alternative method:
For Reader DC (Document Cloud), or other Reader versions for Windows, updates can be found here: https://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
For Acrobat DC for Windows,  see: http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows

Adobe AIR  - updated to 32.0.0.125
https://get.adobe.com/air/