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CVE-2026-65667NVD

Vulnerability Summary

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

Severity Level

CRITICAL(10.0)

Published Date

Aug 7, 2026

Last Modified

Aug 7, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-862: Missing Authorization ↗

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65667

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