What’s Vulnerable › Vulnerabilities

CVE-2026-23661: Azure IoT Explorer Information Disclosure Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-10 · updated 2026-06-19
• Weakness: CWE-319

Description

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

Affected products

• Microsoft Azure IoT Explorer: before 0.15.13 — fixed in 0.15.13
• Microsoft Azure IoT Explorer: from 1.0.0 before 0.15.13 — fixed in 0.15.13

How to fix

Upgrade to a fixed version: Microsoft Azure IoT Explorer 0.15.13; Microsoft Azure IoT Explorer 0.15.13. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23661

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