Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

Cybersecurity experts have revealed four vulnerabilities in Microsoft Teams that could enable impersonation and social engineering attacks, risking sensitive information and security breaches. Microsoft has issued patches for some of these flaws, but the flaws significantly undermine trust in collaboration tools, attracting malicious actors like cybercriminals and state-sponsored groups. #MicrosoftTeams #CVE202438197 #SocialEngineering #Impersonation

Keypoints

  • Four security flaws in Microsoft Teams could allow impersonation and manipulation of conversations.
  • Some vulnerabilities were patched by Microsoft in August 2024, with further updates in September and October 2024.
  • Attackers can alter message content, impersonate colleagues, and change notification sender identities.
  • The vulnerabilities enable forging caller identities and misguiding users into clicking malicious links or sharing data.
  • Threat actors exploit these flaws to carry out social engineering, remote access, and payload delivery within Teams.

Read More: https://thehackernews.com/2025/11/microsoft-teams-bugs-let-attackers.html