CVE-2026-21226: CWE-502: Deserialization of Untrusted Data in Microsoft Azure Core shared client library for Python
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-21226) affects the Azure Core shared client library for Python version 1.1.0. It is classified as CWE-502, deserialization of untrusted data, which can lead to remote code execution by an authorized attacker. The CVSS 3.1 vector indicates the attack requires network access with high attack complexity and low privileges but no user interaction. The impact includes high confidentiality, integrity, and availability loss. Microsoft has released a patch to address this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability remotely to execute arbitrary code, potentially compromising the affected system's confidentiality, integrity, and availability. This could lead to unauthorized actions or control over the affected environment where the vulnerable library is used.
Mitigation Recommendations
A patch is available for this vulnerability. Users of Azure Core shared client library for Python version 1.1.0 should apply the official update provided by Microsoft to remediate the issue. No additional mitigation steps are indicated beyond applying the patch.
CVE-2026-21226: CWE-502: Deserialization of Untrusted Data in Microsoft Azure Core shared client library for Python
Description
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-21226) affects the Azure Core shared client library for Python version 1.1.0. It is classified as CWE-502, deserialization of untrusted data, which can lead to remote code execution by an authorized attacker. The CVSS 3.1 vector indicates the attack requires network access with high attack complexity and low privileges but no user interaction. The impact includes high confidentiality, integrity, and availability loss. Microsoft has released a patch to address this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability remotely to execute arbitrary code, potentially compromising the affected system's confidentiality, integrity, and availability. This could lead to unauthorized actions or control over the affected environment where the vulnerable library is used.
Mitigation Recommendations
A patch is available for this vulnerability. Users of Azure Core shared client library for Python version 1.1.0 should apply the official update provided by Microsoft to remediate the issue. No additional mitigation steps are indicated beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-11T21:02:05.732Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668e5fa60475309fa0810b
Added to database: 1/13/2026, 6:26:39 PM
Last enriched: 4/3/2026, 12:54:01 PM
Last updated: 5/7/2026, 10:11:02 AM
Views: 248
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