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CVE-2026-21226— Azure Core shared client library for Python Remote Code Execution Vulnerability

CVSS 7.5 · High EPSS 1.70% · P82
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I. Basic Information for CVE-2026-21226

Vulnerability Information
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Vulnerability Title
Azure Core shared client library for Python Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Azure 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure是美国微软（Microsoft）公司的一套开放的企业级云计算平台。 Microsoft Azure存在代码问题漏洞。攻击者利用该漏洞可以远程执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftAzure Core shared client library for Python 1.1.0 ~ 1.38.0 -

II. Public POCs for CVE-2026-21226

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III. Intelligence Information for CVE-2026-21226

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Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

CVE-2026-209639.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-209478.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-208688.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-209448.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-209538.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-209528.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-208568.1 HIGHWindows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2026-209318.0 HIGHWindows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-209247.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-208717.8 HIGHDesktop Window Manager Elevation of Privilege Vulnerability
CVE-2026-208707.8 HIGHWindows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
CVE-2026-209407.8 HIGHWindows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-208377.8 HIGHWindows Media Remote Code Execution Vulnerability
CVE-2026-208667.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-208677.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-208407.8 HIGHWindows NTFS Remote Code Execution Vulnerability
CVE-2026-209387.8 HIGHWindows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
CVE-2026-208617.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-209207.8 HIGHWin32k Elevation of Privilege Vulnerability
CVE-2026-208647.8 HIGHWindows Connected Devices Platform Service Elevation of Privilege Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-502

V. Comments for CVE-2026-21226

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