CVE-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability
An attacker can disclose information over the network due to unrestricted IP binding in Azure IoT Explorer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21528?
CVE-2026-21528 is a medium-severity vulnerability in Microsoft Azure IoT Explorer, published on 10 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.
Which versions are affected by CVE-2026-21528?
It affects 1 product.
Products include Microsoft Azure Iot Explorer.
How do I fix CVE-2026-21528?
No fix has been published for CVE-2026-21528 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21528 being exploited?
There is no known exploitation of CVE-2026-21528 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure IoT Explorer
Sources
Also known as GHSA-mfw9-vjxf-gvr8.