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CVE-2026-42899— ASP.NET Core Denial of Service Vulnerability

CVSS 7.5 · High EPSS 0.04% · P11
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I. Basic Information for CVE-2026-42899

Vulnerability Information
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Vulnerability Title
ASP.NET Core Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft ASP.NET Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft ASP.NET Core是美国微软（Microsoft）公司的一框跨平台开源框架。该框架用于构建Web应用、物联网应用和移动后端等基于云的应用程序。 Microsoft ASP.NET Core存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：.NET 8.0 installed on Linux,.NET 9.0 installed on Windows,.NET 9.0 installed on Mac OS,.NET 10.0 installed on Ma
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 ~ 10.0.8 -
Microsoft.NET 8.0 8.0.0 ~ 8.0.27 -
Microsoft.NET 9.0 9.0.0 ~ 9.0.16 -

II. Public POCs for CVE-2026-42899

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III. Intelligence Information for CVE-2026-42899

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Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

CVE-2026-428989.9 CRITICALMicrosoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-428239.9 CRITICALAzure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-410899.8 CRITICALWindows Netlogon Remote Code Execution Vulnerability
CVE-2026-410969.8 CRITICALWindows DNS Client Remote Code Execution Vulnerability
CVE-2026-403799.3 CRITICALAzure Entra ID Spoofing Vulnerability
CVE-2026-404029.3 CRITICALWindows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-428339.1 CRITICALMicrosoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-331179.1 CRITICALAzure SDK for Java Security Feature Bypass Vulnerability
CVE-2026-411039.1 CRITICALMicrosoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
CVE-2026-416138.8 HIGHVisual Studio Code Elevation of Privilege Vulnerability
CVE-2026-403578.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-354368.8 HIGHMicrosoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-411098.8 HIGHGitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-410948.8 HIGHMicrosoft Data Formulator Remote Code Execution Vulnerability
CVE-2026-404208.8 HIGHMicrosoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-404038.8 HIGHWindows Graphics Component Remote Code Execution Vulnerability
CVE-2026-403708.8 HIGHSQL Server Remote Code Execution Vulnerability
CVE-2026-410868.8 HIGHWindows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-354398.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-331128.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability

Showing top 20 of 125 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: .NET 10.0
Same vendor: Microsoft
Same weakness: CWE-835

V. Comments for CVE-2026-42899

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