CVE-2026-21226
Unknown
Unknown - Not Provided
Deserialization Vulnerability in Azure Core Python Enables Remote Code Execution
Publication date: 2026-01-13
Last updated on: 2026-02-05
Assigner: Microsoft Corporation
Description
Description
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | azure_core_shared_client_library_for_python | From 1.1.0 (inc) to 1.38.0 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
An attacker who is authorized can exploit this vulnerability to execute arbitrary code remotely, potentially leading to full compromise of the affected system or application. [1]
Can you explain this vulnerability to me?
This vulnerability involves deserialization of untrusted data in the Azure Core shared client library for Python, which allows an authorized attacker to execute code remotely over a network. [1]
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