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IDOR Vulnerability In Microsoft Teams

Affects:

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Severity:

HIGH

Productivity Impact:

MEDIUM

Fix Estimate:

1-2 minutes

Automatically protected by:

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...Coming Soon!

Research:

Summary:

Allows for the possible introduction of malware into any organisations using Microsoft Teams in its default configuration

Remediation details

Disable external access in Teams


  1. Click on Users > External Access and change settings accordingly


Note. This will affect any existing external access granted so be sure to review the changes with your users to negate business impact




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