Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
History

Thu, 12 Feb 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft azure Conversation Authoring Client Library
CPEs cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta1:*:*:*:python:*:*
cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta2:*:*:*:python:*:*
cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta3:*:*:*:python:*:*
Vendors & Products Microsoft azure Conversation Authoring Client Library

Tue, 10 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
Title Azure SDK for Python Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft azure Ai Language Authoring
Weaknesses CWE-502
CPEs cpe:2.3:a:microsoft:azure_ai_language_authoring:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Ai Language Authoring
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-02-10T17:51:31.660Z

Updated: 2026-02-13T22:30:29.595Z

Reserved: 2025-12-30T18:10:54.847Z

Link: CVE-2026-21531

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-02-10T18:16:35.580

Modified: 2026-02-12T15:49:25.373

Link: CVE-2026-21531

cve-icon Redhat

No data.