Exchange Pwn2Own Vulnerability April 2021 (Yes, a new one – it’s not Hafnium anymore!)

Let’s mention the important things first: Please patch you vulnerable Exchange 2013, 2016 and 2019 immediately! The page msxfaq has published an infosite to this vulnerability including the instructions how to fix your Exchange.

Some security researchers have demonstrated three high risk vulnerabilities for exchange server systems. Microsoft has published information about the vulnerability today and even has a patch for the problem already in place.

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