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Microsoft Security Response CenterCVE-2026-33823

Microsoft Team Events Portal Information Disclosure Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft Teams
9.6CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Teams
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-33823View CVSS, KEV, EPSS, and threat context
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