CVE-2026-50651: Microsoft Security Advisory CVE-2026-50651 – .NET Denial of Service Vulnerability

Published Jul 10, 2026
·
Updated

.NET Denial of Service Vulnerability

Other sources

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET HTTP client (System.Net.Http). This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A denial of service vulnerability exists in .NET 8, .NET 9, and .NET 10 where an attacker can exploit the HTTP/2 protocol to cause an out-of-memory condition.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/TBD

CVSS Details

- Version: 3.1 - Severity: High - Score: 7.5 - Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

Affected Platforms

- Platforms: All - Architectures: All

<a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below

<a name=".NET 10.0"></a>.NET 10.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.osx-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-x86 | >= 10.0.0, <= 10.0.9 | 10.0.10

<a name=".NET 9.0"></a>.NET 9.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.osx-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-x86 | >= 9.0.0, <= 9.0.17 | 9.0.18

<a name=".NET 8.0"></a>.NET 8.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.osx-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-x86 | >= 8.0.0, <= 8.0.28 | 8.0.29

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

If using a package listed in affected packages, you're exposed to the vulnerability.

<a name="how-fix"></a>How do I fix the issue?

1. To fix the issue please install the latest version of .NET. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs. 2. If your application references the vulnerable nuget package, update the package reference to the patched version. You can list the versions you have installed by running the dotnet --info command.

Once you have installed the updated runtime or SDK, restart your apps for the update to take effect.

Additionally, if you've deployed self-contained applications targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

External Links

CVE-2026-50651

Acknowledgements

Miha Zupan with Microsoft

Revisions

V1.0 (July 14, 2026): Advisory published.

— GitHub

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET HTTP client (System.Net.Http). This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A denial of service vulnerability exists in .NET 8, .NET 9, and .NET 10 where an attacker can exploit the HTTP/2 protocol to cause an out-of-memory condition.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/422

CVSS Details

- Version: 3.1 - Severity: High - Score: 7.5 - Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

Affected Platforms

- Platforms: All - Architectures: All

<a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below

<a name=".NET 10.0"></a>.NET 10.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.linux-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.osx-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-arm | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-arm64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-x64 | >= 10.0.0, <= 10.0.9 | 10.0.10 Microsoft.NetCore.App.Runtime.win-x86 | >= 10.0.0, <= 10.0.9 | 10.0.10

<a name=".NET 9.0"></a>.NET 9.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.linux-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.osx-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-arm | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-arm64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-x64 | >= 9.0.0, <= 9.0.17 | 9.0.18 Microsoft.NetCore.App.Runtime.win-x86 | >= 9.0.0, <= 9.0.17 | 9.0.18

<a name=".NET 8.0"></a>.NET 8.0 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.NetCore.App.Runtime.linux-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-musl-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.linux-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.osx-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.osx-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-arm | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-arm64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-x64 | >= 8.0.0, <= 8.0.28 | 8.0.29 Microsoft.NetCore.App.Runtime.win-x86 | >= 8.0.0, <= 8.0.28 | 8.0.29

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

If using a package listed in affected packages, you're exposed to the vulnerability.

<a name="how-fix"></a>How do I fix the issue?

1. To fix the issue please install the latest version of .NET. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs. 2. If your application references the vulnerable nuget package, update the package reference to the patched version. You can list the versions you have installed by running the dotnet --info command.

Once you have installed the updated runtime or SDK, restart your apps for the update to take effect.

Additionally, if you've deployed self-contained applications targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

External Links

CVE-2026-50651

Acknowledgements

Miha Zupan with Microsoft

Revisions

V1.0 (July 14, 2026): Advisory published.

— OSV

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

— Microsoft

Assembled based on the information provided by Microsoft in https://redhat.atlassian.net/browse/PSIRTSUPT-19361.

— Red Hat

Affected Software

110 affected componentsFixes available
nuget/microsoft.netcore.app.runtime.win-x86>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.win-x64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.win-arm64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.win-arm>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.osx-x64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.osx-arm64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-x64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-arm64>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.linux-arm>=8.0.0<=8.0.28
8.0.29
nuget/microsoft.netcore.app.runtime.win-x86>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.win-x64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.win-arm64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.win-arm>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.osx-x64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.osx-arm64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-x64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-arm64>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.linux-arm>=9.0.0<=9.0.17
9.0.18
nuget/microsoft.netcore.app.runtime.win-x86>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.win-x64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.win-arm64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.win-arm>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.osx-x64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.osx-arm64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-x64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-arm64>=10.0.0<=10.0.9
10.0.10
nuget/microsoft.netcore.app.runtime.linux-arm>=10.0.0<=10.0.9
10.0.10
All of the following
Any of the following
Microsoft .NET>=8.0.0<8.0.29
Microsoft .NET>=9.0.0<9.0.18
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
All of the following
Microsoft .NET>=10.0.0<10.0.6
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Visual Studio 2022>=17.12.0<17.12.22
Microsoft Visual Studio 2022>=17.14.0<17.14.36
Microsoft Visual Studio 2026>=18.7.0<18.7.4
alpine/dotnet10-runtime<10.0.10-r0
10.0.10-r0
alpine/dotnet10-runtime<10.0.10-r0
10.0.10-r0
alpine/dotnet8-runtime<8.0.29-r0
8.0.29-r0
alpine/dotnet8-runtime<8.0.29-r0
8.0.29-r0
alpine/dotnet8-runtime<8.0.29-r0
8.0.29-r0
alpine/dotnet9-runtime<9.0.18-r0
9.0.18-r0
alpine/dotnet9-runtime<9.0.18-r0
9.0.18-r0
alpine/dotnet9-runtime<9.0.18-r0
9.0.18-r0
nuget/microsoft.netcore.app.runtime.linux-arm>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-arm64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-x64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.osx-arm64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.osx-x64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.win-arm>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.win-arm64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.win-x64>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.win-x86>=10.0.0<10.0.10
10.0.10
nuget/microsoft.netcore.app.runtime.linux-arm>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-arm64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-x64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.osx-arm64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.osx-x64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.win-arm>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.win-arm64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.win-x64>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.win-x86>=9.0.0<9.0.18
9.0.18
nuget/microsoft.netcore.app.runtime.linux-arm>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.linux-arm64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-arm>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-arm64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.linux-musl-x64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.linux-x64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.osx-arm64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.osx-x64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.win-arm>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.win-arm64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.win-x64>=8.0.0<8.0.29
8.0.29
nuget/microsoft.netcore.app.runtime.win-x86>=8.0.0<8.0.29
8.0.29
Microsoft Visual Studio 2026>=18.7<18.7.4
18.7.4
All of the following
Microsoft .NET runtime>=9.0<9.0.18
9.0.18
Apple macOS*
All of the following
Microsoft .NET runtime>=9.0<9.0.18
9.0.18
Linux Linux*
All of the following
Microsoft .NET runtime>=10.0<10.0.10
10.0.10
Linux Linux*
All of the following
Microsoft .NET runtime>=8.0<8.0.29
8.0.29
Microsoft Windows*
Microsoft Visual Studio 2022>=17.12<17.12.22
17.12.22
All of the following
Microsoft .NET runtime>=10.0<10.0.10
10.0.10
Apple macOS*
All of the following
Microsoft .NET runtime>=8.0<8.0.29
8.0.29
Apple macOS*
All of the following
Microsoft .NET runtime>=8.0<8.0.29
8.0.29
Linux Linux*
All of the following
Microsoft .NET runtime>=9.0<9.0.18
9.0.18
Microsoft Windows*
Microsoft Visual Studio 2022>=17.14<17.14.36
17.14.36

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x86 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  2. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  3. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  4. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm to a version that resolves this vulnerability.

    Fixed in 8.0.29
  5. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-x64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  6. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-arm64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  7. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-x64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  8. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-x64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  9. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  10. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm to a version that resolves this vulnerability.

    Fixed in 8.0.29
  11. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm64 to a version that resolves this vulnerability.

    Fixed in 8.0.29
  12. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm to a version that resolves this vulnerability.

    Fixed in 8.0.29
  13. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x86 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  14. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  15. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  16. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm to a version that resolves this vulnerability.

    Fixed in 9.0.18
  17. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-x64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  18. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-arm64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  19. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-x64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  20. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-x64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  21. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  22. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm to a version that resolves this vulnerability.

    Fixed in 9.0.18
  23. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm64 to a version that resolves this vulnerability.

    Fixed in 9.0.18
  24. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm to a version that resolves this vulnerability.

    Fixed in 9.0.18
  25. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x86 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  26. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-x64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  27. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  28. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.win-arm to a version that resolves this vulnerability.

    Fixed in 10.0.10
  29. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-x64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  30. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.osx-arm64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  31. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-x64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  32. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-x64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  33. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  34. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm to a version that resolves this vulnerability.

    Fixed in 10.0.10
  35. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm64 to a version that resolves this vulnerability.

    Fixed in 10.0.10
  36. Upgrade

    Upgrade nuget/Microsoft.NetCore.App.Runtime.linux-arm to a version that resolves this vulnerability.

    Fixed in 10.0.10
  37. Upgrade

    Upgrade alpine/dotnet10-runtime to a version that resolves this vulnerability.

    Fixed in 10.0.10-r0
  38. Upgrade

    Upgrade alpine/dotnet8-runtime to a version that resolves this vulnerability.

    Fixed in 8.0.29-r0
  39. Upgrade

    Upgrade alpine/dotnet9-runtime to a version that resolves this vulnerability.

    Fixed in 9.0.18-r0
  40. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 9.0.18Patch KB5104033
  41. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.7.4
  42. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 8.0.29Patch KB5104032
  43. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10Patch KB5104034
  44. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.12.22
  45. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.14.36
  46. Upgrade

    Upgrade Microsoft.NetCore.App.Runtime.* (.NET 8 runtime packages, all listed platform variants) to a version that resolves this vulnerability.

    Fixed in 8.0.29
  47. Upgrade

    Upgrade Microsoft.NetCore.App.Runtime.* (.NET 9 runtime packages, all listed platform variants) to a version that resolves this vulnerability.

    Fixed in 9.0.18
  48. Upgrade

    Upgrade Microsoft.NetCore.App.Runtime.* (.NET 10 runtime packages, all listed platform variants) to a version that resolves this vulnerability.

    Fixed in 10.0.10
  49. Operational

    Recompile and redeploy self-contained applications targeting the impacted .NET versions.

  50. Operational

    Restart applications after installing the updated .NET runtime or SDK.

Event History

Jul 10, 2026
Data Sourced
via Red Hat·09:04 PM
DescriptionSeverityAffected Software
Jul 14, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
CVE Published
via MITRE·07:40 PM
Data Sourced
via MITRE·07:40 PM
DescriptionSeverity
Data Sourced
via NVD·08:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:17 PM
DescriptionSeverityAffected Software
Jul 20, 2026
Advisory Published
via GitHub·11:02 PM
Data Sourced
via GitHub·11:02 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·11:02 PM
Weakness

Frequently Asked Questions

1

What is the severity of CVE-2026-50651?

CVE-2026-50651 has a severity rating of high with a score of 7.5.

2

What is CVE-2026-50651?

CVE-2026-50651 is a denial of service vulnerability in the .NET HTTP client component of Microsoft Visual Studio.

3

How do I fix CVE-2026-50651?

To fix CVE-2026-50651, developers should update their applications to the latest version of the .NET runtime and libraries.

4

What systems are affected by CVE-2026-50651?

CVE-2026-50651 affects various runtimes of Microsoft .NET Core on Windows, macOS, and Linux.

5

What are the potential impacts of CVE-2026-50651?

The potential impact of CVE-2026-50651 includes a denial of service condition that can crash affected applications.

Company

Resources

Contact

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