CVE-2024-43498 .NET and Visual Studio Remote Code Execution Vulnerability

Critical 9.8 Published Updated

Attackers can execute arbitrary code via memory corruption in .NET and Visual Studio, requiring immediate patching for developers and enterprises.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-43498?

CVE-2024-43498 is a critical memory corruption vulnerability in Microsoft .Net, published on 12 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

.NET and Visual Studio Remote Code Execution Vulnerability

Weakness: CWE-843

Which versions are affected by CVE-2024-43498?

4 open source packages ship an affected version, including System.Formats.Nrbf, dotnet and dotnet-sdk. It affects 2 products.

PackageAffectedFixed in
System.Formats.Nrbf NuGetAll versions9.0.0
System.Formats.Nrbf NuGetAll versions9.0.0
dotnet BitnamiFrom 9.0.09.0.1
dotnet-sdk BitnamiFrom 9.0.09.0.1

Products include Microsoft .Net, Microsoft Visual Studio 2022.

How do I fix CVE-2024-43498?

Upgrade System.Formats.Nrbf to 9.0.0 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-43498 being exploited?

There is no known exploitation of CVE-2024-43498 in the wild and no public exploit code.

All Microsoft .Net vulnerabilities

Sources

Also known as BIT-dotnet-2024-43498, BIT-dotnet-sdk-2024-43498, GHSA-v7vf-f5q6-m899, UBUNTU-CVE-2024-43498.

Is CVE-2024-43498 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free