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IoT CVE-2026-23661

HIGH
Cleartext Transmission of Sensitive Information (CWE-319)
2026-03-10 secure@microsoft.com
IoT Azure Azure Iot Explorer
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch released
Mar 12, 2026 - 19:31 nvd
Patch available
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.5

DescriptionNVD

Cleartext transmission of sensitive information in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

AnalysisAI

Sensitive data transmission over cleartext in Azure IoT Explorer enables network-based attackers to intercept and disclose confidential information without authentication. This vulnerability affects Azure IoT deployments and could expose device credentials, configuration details, or other sensitive metadata to passive network observers. …

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RemediationAI

Within 24 hours: Identify all systems running Azure IoT Explorer and assess which handle sensitive data; restrict network access to trusted internal networks only. Within 7 days: Apply the available vendor patch to all affected instances and validate successful deployment. …

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CVE-2026-23661 vulnerability details – vuln.today
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