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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
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
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
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21531. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart