Microsoft Security Response CenterCVE-2026-62918

Microsoft Teams Spoofing Vulnerability

CriticalVendor CVSS 7.5 / 10 1 CVE Published Aug 6, 2026 at 7:00 AM UTC

Summary

Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.

Separate remediation guidance was not included in the collected bulletin.

Aug 6, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 20, 2026 at 6:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

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