CVE-2026-21535

Microsoft Teams Information Disclosure Vulnerability

CVSS 8.2 HIGHEPSS 0.6%CWE-284

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.2EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

19 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

Affected products

References