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Description

Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.

PUBLISHED Reserved 2026-03-24 | Published 2026-05-07 | Updated 2026-05-08 | Assigner microsoft




CRITICAL: 9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

Problem types

CWE-285: Improper Authorization

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33823 (Microsoft Team Events Portal Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-33823)

nvd.nist.gov (CVE-2026-33823)

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