CVE-2026-21228
Improper Certificate Validation in Azure Local Enables Remote Code Execution
Publication date: 2026-02-10
Last updated on: 2026-02-25
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | azure_local | to 2510.0.3002 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-295 | The product does not validate, or incorrectly validates, a certificate. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper certificate validation in Azure Local, which means that the system does not correctly verify the authenticity of certificates.
As a result, an unauthorized attacker can exploit this flaw to execute code remotely over a network.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution by an unauthorized attacker, which means attackers could potentially run malicious code on your system without permission.
This can compromise the confidentiality, integrity, and availability of your data and systems.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know