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7.5Alta

CVE-2026-21218.NET Spoofing Vulnerability

Microsoft .NET 10.0; Microsoft .NET 8.0; Microsoft .NET 9.0 Publicada: (hace 9 meses)

Descripción

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

Debilidad (CWE): CWE-166

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
microsoft .net 10.0.0 – < 10.0.3
Microsoft .NET 10.0 10.0.0 – < 10.0.3
Microsoft .NET 8.0 8.0.0 – < 8.0.24
Microsoft .NET 9.0 9.0.0 – < 9.0.13

Referencias y parches

Coincidencias CPE (NVD) (3)
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 8.0.0 < 8.0.24
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.13
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.3

CVE recientes del mismo producto — .NET

5.3Media
CVE-2026-120796

.NET Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft System.Text.Json

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

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ASP.NET Core Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft Microsoft Visual Studio 2026 version 18.12

Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.

1.1%EPSS
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CVE-2026-118748

ASP.NET Core Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft Microsoft Visual Studio 2026 version 18.12

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

1.1%EPSS
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CVE-2026-118745

Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

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CVE-2026-114159

Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.