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8.8Alta

CVE-2026-69522.NET and Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 runtime; Microsoft .NET 11.0 runtime; Microsoft .NET 8.0 runtime; Microsoft .NET 9.0 runtime Publicada: (hace 2 meses)

Descripción

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

Debilidad (CWE): CWE-122

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 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 – < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 – < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 – < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 – < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 – < 4.7.4145.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 – < 4.8.4806.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 – < 4.8.9347.0
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 – < 17.14.40
Microsoft Microsoft Visual Studio 2026 version 18.9 18.9.0 – < 18.9.3
microsoft .net 10.0.0 – < 10.0.12
Microsoft .NET 10.0 runtime 10.0.0 – < 10.0.12
Microsoft .NET 11.0 runtime 11.0.0 – < 11.0 RC1
Microsoft .NET 8.0 runtime 8.0.0 – < 8.0.31
Microsoft .NET 9.0 runtime 9.0.0 – < 9.0.20
microsoft .net framework 3.0.0.0 – < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
microsoft visual studio 2022 17.14.0 – < 17.14.40
microsoft visual studio 2026 18.9.0 – < 18.9.3

Referencias y parches

CVE recientes del mismo producto — .NET

5.3Media
CVE-2026-120796

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

1.2%EPSS
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CVE-2026-118749

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
8.8Alta
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.

6.8Media
CVE-2026-118746

.NET Security Feature Bypass Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS

Not failing securely ('failing open') in .NET allows an unauthorized attacker to bypass a security feature over a network.

8.8Alta
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.