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Microsoft Security Response CenterCVE-2026-65667

Microsoft Teams Elevation of Privilege Vulnerability

Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

Read the vendor bulletin Get alerts for Microsoft Teams
10.0CVSS 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.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-65667View CVSS, KEV, EPSS, and threat context
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