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CVE-2026-21535

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CVE-2026-21535

Published: Feb 19, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

8.2

HIGH

Description

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

VendorProductVersions

Microsoft

Microsoft Teams

affected
-

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

References

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