Check Point Research uncovered four critical vulnerabilities in Microsoft Teams that could allow attackers to impersonate executives, manipulate messages, alter notifications, and forge identities during video and audio calls.
The research team discovered that both external guest users and malicious insiders could exploit these security flaws, fundamentally undermining the trust that 320 million monthly active users place in the platform for daily business communications.
https://gbhackers.com/attackers-exploit ... ams-flaws/