CVE-2026-62918

Published Aug 7, 2026

Last updated a month ago

Overview

Description
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Source
secure@microsoft.com
NVD status
Analyzed
CNA Tags
exclusively-hosted-service
Products
teams

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-347

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.