Azure Core Shared Client Library

1 CVEs product

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CVE-2026-21226 Jan 13, 19:16 PyPI HIGH PATCH This Week

Remote code execution in Azure Core Shared Client Library for Python results from insecure deserialization of untrusted data, allowing authenticated network-based attackers to achieve arbitrary code execution. The vulnerability affects Python applications utilizing the vulnerable library versions, with no patch currently available. This represents a high-severity risk for Azure SDK consumers handling external or user-supplied serialized data.

Python Deserialization Microsoft Azure Azure Core Shared Client Library +1

NVD

CVSS 3.1

7.5

EPSS

1.5%

CVE-2026-21226 PyPI

EPSS 1% CVSS 7.5

HIGH PATCH This Week

Remote code execution in Azure Core Shared Client Library for Python results from insecure deserialization of untrusted data, allowing authenticated network-based attackers to achieve arbitrary code execution. The vulnerability affects Python applications utilizing the vulnerable library versions, with no patch currently available. This represents a high-severity risk for Azure SDK consumers handling external or user-supplied serialized data.

Python Deserialization Microsoft +3

NVD

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