CVE-2026-21535 PUBLISHED

Microsoft Teams Information Disclosure Vulnerability

Assigner: microsoft
Reserved: 30.12.2025 Published: 19.02.2026 Updated: 19.02.2026

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

Metrics

CVSS Vector: 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
CVSS Score: 8.2

Product Status

Vendor Microsoft
Product Microsoft Teams
Versions
  • Version - is affected

References

Problem Types