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CVE-2026-21228— Azure Local Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Azure Local
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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存在信任管理问题漏洞。攻击者利用该漏洞可以远程执行代码。

CVSS 8.1 · High EPSS 0.77% · P54

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Azure Local 1.0.0< 2510.0.3002 affected
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I. Basic Information for CVE-2026-21228

Vulnerability Information
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Vulnerability Title
Azure Local Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper certificate validation in Azure Local allows an unauthorized attacker to execute code over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure 信任管理问题漏洞
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存在信任管理问题漏洞。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

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure Local 1.0.0 ~ 2510.0.3002 -

II. Public POCs for CVE-2026-21228

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III. Intelligence Information for CVE-2026-21228

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Same Patch Batch · Microsoft · 2026-02-10 · 54 CVEs total

CVE-2026-21531 9.8 CRITICAL Azure SDK for Python Remote Code Execution Vulnerability
CVE-2026-21537 8.8 HIGH Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
CVE-2026-21510 8.8 HIGH Windows Shell Security Feature Bypass Vulnerability
CVE-2026-21255 8.8 HIGH Windows Hyper-V Security Feature Bypass Vulnerability
CVE-2026-21518 8.8 HIGH GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-21513 8.8 HIGH MSHTML Framework Security Feature Bypass Vulnerability
CVE-2026-21516 8.8 HIGH GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2026-21256 8.8 HIGH GitHub Copilot and Visual Studio Remote Code Execution Vulnerability
CVE-2026-21523 8.0 HIGH GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-21257 8.0 HIGH GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability
CVE-2026-21229 8.0 HIGH Power BI Remote Code Execution Vulnerability
CVE-2026-21250 7.8 HIGH Windows HTTP.sys Elevation of Privilege Vulnerability
CVE-2026-21533 7.8 HIGH Windows Remote Desktop Services Elevation of Privilege Vulnerability
CVE-2026-21514 7.8 HIGH Microsoft Word Security Feature Bypass Vulnerability
CVE-2026-21251 7.8 HIGH Cluster Client Failover (CCF) Elevation of Privilege Vulnerability
CVE-2026-21232 7.8 HIGH Windows HTTP.sys Elevation of Privilege Vulnerability
CVE-2026-21239 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-21238 7.8 HIGH Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-21231 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-21259 7.8 HIGH Microsoft Excel Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Azure Local
Same vendor: Microsoft
Same weakness: CWE-295

V. Comments for CVE-2026-21228

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