Below are key resources documenting this recent monthly Microsoft Patch Tuesday release

https://isc.sans.edu/forums/diary/Microsoft+May+2019+Patch+Tuesday/24934/

https://blog.talosintelligence.com/2019/05/MS-Patch-Tuesday-May-2019.html

https://patchtuesdaydashboard.com/

https://portal.msrc.microsoft.com/en-us/security-guidance/summary

Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday covers 79 vulnerabilities, 22 of which are rated “critical,” 55 that are considered “important” and one “moderate.” This release also includes two critical advisories: one covering Microsoft Live accounts and another addressing updates to Adobe Flash Player.

This month’s security update covers security issues in a variety of Microsoft’s products, including the Scripting Engine, the Microsoft Edge web browser and GDI+. For more on our coverage of these bugs, check out the Snort blog post here, covering all of the new rules we have for this release.

UPDATE: Today’s Patch Tuesday also addresses the new CPU side-channel attack published today known as Zombieload (ADV190013). As Meltdown, Spectre, and Foreshadow the new flaw may allow an attacker to steal sensitive data and keys being processed by the CPU. To fix the issue you must apply OS updates provided by Microsoft today (not available for all versions yet) and firmware microcode from device OEMs. The details for this advisory are available at

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190013