SB2026031062 - Multiple vulnerabilities in Microsoft Azure IoT Explorer

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cleartext transmission of sensitive information (CVE-ID: CVE-2026-23662)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information in Azure IoT Explorer. A remote attacker can gain access to sensitive data.

2) Improper restriction of communication channel to intended endpoints (CVE-ID: CVE-2026-23664)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper restriction of communication channel to intended endpoints in Azure IoT Explorer. A remote attacker can gain access to sensitive information on the system.

3) Cleartext transmission of sensitive information (CVE-ID: CVE-2026-23661)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information in Azure IoT Explorer. A remote attacker can gain access to sensitive data.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23662
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23664
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23661