Given that they have been given the Level 4 designation, what this means is that they are high impact exploits that are easy to pull off, which means that they could have the potential to easily affect many users without too much effort from the attackers.
According to the report from BSI, “Several vulnerabilities in Google Chrome and Microsoft Chrome-based Edge have been disclosed. An attacker can exploit this with unknown effects. To exploit it, it is sufficient to call up a maliciously designed website or to click a link to such a page.”
Given that both the new Edge and Chrome are built off the Chromium platform, it means that they are both equally vulnerable to the attack. The update should already be live and for some, you might be seeing the prompt that asks you to restart your browser to complete the update, so if you have a minute to spare, check for the update, install it, and restart your browser and you should be all set!