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CVE Number Vulnerability Product Severity Date
CVE-2026-62896 Microsoft Teams Elevation of Privilege Vulnerability Microsoft Teams Critical 01-09-2026

Technical Information

An authenticated attacker can exploit improper authentication in Microsoft Teams over a network to elevate privileges and gain unauthorized access to resources or functionality with higher privileges.

Patch release date: Aug 11, 2026
Further information on this vulnerability is available at : CVE-2026-62896

Affected Software

Microsoft Teams