Microsoft Security Advisory CVE-2025-24043 | WinDbg Remote Code Execution Vulnerability

<a name="executive-summary"></a>Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in WinDbg. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

Improper verification of cryptographic signature in SOS allows an authorized attacker to execute code over a network resulting in Remote Code Execution.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/346

<a name="mitigation-factors"></a>Mitigation factors

Microsoft has not identified any mitigating factors for this vulnerability.

<a name="affected-packages"></a>Affected Packages

The vulnerability affects any Microsoft .NET Core project if it uses any of affected packages versions listed below

<a name="">WinDbg</a> WinDbg

Package name	Affected version	Patched version
dotnet-sos	< 9.0.607501	9.0.607501
dotnet-dump	< 9.0.557512	9.0.607501
dotnet-debugger-extensions	9.0.557512	9.0.607601

Advisory FAQ

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

If you you are using the affected version 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 WinDbg.
2. If your application references the vulnerable package, update the package reference to the patched version.

Other Information

Reporting Security Issues

If you have found a potential security issue, please email details to . Reports may qualify for the Microsoft .NET Core & .NET 5 Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at .