Cisco issued a critical fix for a flaw in its Cisco RCM for Cisco StarOS Software that could give attackers RCE on the application with root-level privileges.
https://threatpost.com/critical-cisco-staros-bug-root-access-debug-mode/177832/
Attackers exploiting bugs in the “link preview” feature in Microsoft Teams could abuse the flaws to spoof links, leak an Android user’s IP address and launch a DoS attack.
https://threatpost.com/microsoft-teams-bugs-vulnerable-march/177225/