As per reports, Microsoft .NET core and Visual Studio were found with a Denial of Service, which can be exploited by threat actors. Microsoft has released patches to fix this vulnerability for both .NET and Visual Studio Products.
RedHat stated that this vulnerability allows a threat actor to bypass the QUIC stream limit in both ASP.NET and .NET runtimes in the HTTP version 3, which causes a Denial of Service vulnerability. RedHat has also released patches for this vulnerability.
https://cybersecuritynews.com/microsoft ... ce-attack/