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
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-12
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21531
Affected Vendors & Products
Showing 3 associated CPEs
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
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

This vulnerability involves the deserialization of untrusted data in the Azure SDK. It allows an unauthorized attacker to execute code remotely over a network.

Impact Analysis

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.

Compliance Impact

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Detection Guidance

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