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/
Four Bugs in Microsoft Teams Left Platform Vulnerable Since March
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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/