Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
History

Tue, 13 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Jan 2026 18:30:00 +0000

Type Values Removed Values Added
Description Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
Title Azure Core shared client library for Python Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft azure Core Shared Client Library For Python
Weaknesses CWE-502
CPEs cpe:2.3:a:microsoft:azure_core_shared_client_library_for_python:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Core Shared Client Library For Python
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-01-13T18:28:47.587Z

Reserved: 2025-12-11T21:02:05.732Z

Link: CVE-2026-21226

cve-icon Vulnrichment

Updated: 2026-01-13T18:28:29.233Z

cve-icon NVD

Status : Received

Published: 2026-01-13T19:16:23.987

Modified: 2026-01-13T19:16:23.987

Link: CVE-2026-21226

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.