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CVE-2026-50528— .NET Security Feature Bypass Vulnerability

CVSS 8.2 · High EPSS 0.55% · P43

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 6

VendorProductVersion RangeStatus
Microsoft.NET 10.010.0.0< 10.0.10affected
Microsoft.NET 8.08.0.0< 8.0.29affected
Microsoft.NET 9.09.0.0< 9.0.18affected
MicrosoftMicrosoft Visual Studio 2022 version 17.1217.12.0< 17.12.22affected
MicrosoftMicrosoft Visual Studio 2022 version 17.1417.14.0< 17.14.36affected
MicrosoftMicrosoft Visual Studio 2026 version 18.718.0< 18.7.4affected
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I. Basic Information for CVE-2026-50528

Vulnerability Information
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Vulnerability Title
.NET Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .net是美国Microsoft公司开源的一个跨平台开发框架。 Microsoft .NET存在安全漏洞，该漏洞源于授权问题，可能导致未经身份验证的攻击者通过网络绕过安全功能。以下产品及版本受到影响：Microsoft .NET 10.0.6之前版本、8.0.29之前版本、9.0.18之前版本、Microsoft Visual Studio 2022 version 17.12 17.12.22之前版本、Microsoft Visual Studio 2022 version 17.1
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
Microsoft.NET 10.0 10.0.0 ~ 10.0.10 -
Microsoft.NET 8.0 8.0.0 ~ 8.0.29 -
Microsoft.NET 9.0 9.0.0 ~ 9.0.18 -
MicrosoftMicrosoft Visual Studio 2022 version 17.12 17.12.0 ~ 17.12.22 -
MicrosoftMicrosoft Visual Studio 2022 version 17.14 17.14.0 ~ 17.14.36 -
MicrosoftMicrosoft Visual Studio 2026 version 18.7 18.0 ~ 18.7.4 -

II. Public POCs for CVE-2026-50528

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III. Intelligence Information for CVE-2026-50528

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Vendor Advisories for CVE-2026-50528 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

CVE-2026-570929.9 CRITICALMicrosoft Windows VMSwitch Elevation of Privilege Vulnerability
CVE-2026-561599.8 CRITICALDHCP Server Service Remote Code Execution Vulnerability
CVE-2026-505189.8 CRITICALWindows DHCP Server Remote Code Execution Vulnerability
CVE-2026-559449.8 CRITICALMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-561909.8 CRITICALRemote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-429909.8 CRITICALSQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-561889.8 CRITICALWindows Server Network driver Remote Code Execution Vulnerability
CVE-2026-549909.8 CRITICALRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-505229.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-586449.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-491729.8 CRITICALWindows FTP Service Remote Code Execution Vulnerability
CVE-2026-550109.8 CRITICALMinecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-504479.8 CRITICALWindows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-485619.6 CRITICALMicrosoft Edge Copilot Remote Code Execution Vulnerability
CVE-2026-503809.6 CRITICALWindows GDI+ Remote Code Execution Vulnerability
CVE-2026-550089.6 CRITICALMicrosoft Exchange Server Spoofing Vulnerability
CVE-2026-497989.3 CRITICALWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-550409.1 CRITICALMicrosoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-485648.8 HIGHDHCP Server Service Remote Code Execution Vulnerability
CVE-2026-472958.8 HIGHMicrosoft SQL Server Elevation of Privilege Vulnerability

Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: .NET 10.0
Same vendor: Microsoft
Same weakness: CWE-863

V. Comments for CVE-2026-50528

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