CVE-2026-62918

Microsoft Teams Spoofing Vulnerability

Published 6 Aug 2026 • Updated 7 Aug 2026

Severity: HIGH

Description

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

Affected products (1)

• Microsoft Microsoft Teams

Problem types

• CWE-347: Improper Verification of Cryptographic Signature

References (1)

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62918