Description
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
Published: 2026-05-07
Score: 9.6 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Fri, 08 May 2026 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:teams:-:*:*:*:*:*:*:*

Fri, 08 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 07 May 2026 21:30:00 +0000

Type Values Removed Values Added
Description Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
Title Microsoft Team Events Portal Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft teams
Weaknesses CWE-285
CPEs cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft teams
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-15T17:13:39.003Z

Reserved: 2026-03-24T00:52:01.351Z

Link: CVE-2026-33823

cve-icon Vulnrichment

Updated: 2026-05-08T14:14:58.433Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-07T22:16:34.283

Modified: 2026-05-08T19:58:39.137

Link: CVE-2026-33823

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T00:30:25Z

Weaknesses