CVE-2026-21528

Azure IoT Explorer Information Disclosure Vulnerability

Published Feb 10, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Binding to an unrestricted ip address in Azure IoT SDK allows an unauthorized attacker to disclose information over a network. Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
Type Values Removed Values Added
Weaknesses CWE-668
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Binding to an unrestricted ip address in Azure IoT SDK allows an unauthorized attacker to disclose information over a network.
Title Azure IoT Explorer Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft azure Iot Explorer
Weaknesses CWE-1327
CPEs cpe:2.3:a:microsoft:azure_iot_explorer:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Iot Explorer
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 19, 2026, 4:26 PM
Reserved
Dec 30, 2025, 6:10 PM
Status
Modified
Published
Feb 10, 2026, 6:16 PM
Modified
Jun 17, 2026, 10:18 AM