CVE-2026-21528
Azure IoT Explorer Information Disclosure Vulnerability
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Azure IoT Explorer Information Disclosure Vulnerability
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-21528- CVSS 3.1
- 6.5 Medium
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 - Weakness
- CWE-1327
- Updated
- 2026-11-02
EUVDEUVD-2026-7339
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-7339- CVSS 3.1
- 6.5 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mfw9-vjxf-gvr8
Binding to an unrestricted ip address in Azure IoT SDK allows an unauthorized attacker to...
Binding to an unrestricted ip address in Azure IoT SDK allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-mfw9-vjxf-gvr8- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-668, CWE-1327
- Updated
- 2026-11-02
NVD
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-21528- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-1327, CWE-668
- Updated
- 2026-11-02
OSV
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-21528- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21528 is a medium vulnerability (CVSS 6.5) in Microsoft Azure Iot Explorer, published February 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.