What’s Vulnerable › Vulnerabilities

CVE-2026-21528: Azure IoT Explorer Information Disclosure Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-10 · updated 2026-08-19
• Weakness: CWE-1327

Description

Binding to an unrestricted ip address 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-2026-21528

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