MSRC-CVE-2026-23662 — Azure IoT Explorer Information Disclosure Vulnerability

Summary

Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What type of information could be disclosed by this vulnerability?
This vulnerability could allow an attacker on the same network to view IoT device telemetry that is sent through the affected WebSocket connection. The exposed data may include real‑time device readings, operational status information, or device‑specific metadata transmitted by the application. The exact information disclosed depends on the telemetry configured by the device.

Security updates
0.15.13 — https://github.com/Azure/azure-iot-explorer/releases/tag/v0.15.13

Vulnerabilities 1

High 7.5

CVE-2026-23662

Azure IoT Explorer Information Disclosure Vulnerability

Missing authentication for critical function in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Microsoft Azure IoT Explorer

Mar 10, 2026

Revision history

2026-03-10 #1
Information published.

References

CVE-2026-23662 Azure IoT Explorer Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23662
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss