CVE-2026-21531
Analyzed
Analyzed - Analysis Complete
Deserialization Vulnerability in Azure SDK Enables Remote Code Execution
Publication date: 2026-02-10
Last updated on: 2026-02-12
Assigner: Microsoft Corporation
Description
Description
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | azure_conversation_authoring_client_library | 1.0.0 |
| microsoft | azure_conversation_authoring_client_library | 1.0.0 |
| microsoft | azure_conversation_authoring_client_library | 1.0.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability involves the deserialization of untrusted data in the Azure SDK. It allows an unauthorized attacker to execute code remotely over a network.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution by an attacker without any privileges or user interaction, potentially resulting in complete compromise of the affected system.
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
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