Feb 2026: Microsoft Teams Information Disclosure Vulnerability
CVE-2026-21535 Published on February 19, 2026
Microsoft Teams Information Disclosure Vulnerability
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-21535 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-21535
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Affected Versions
Microsoft Teams Version - is affected by CVE-2026-21535Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.