CVE-2023-33127

# Microsoft Security Advisory CVE-2023-33127: .NET Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET applications where the diagnostic server can be exploited to achieve cross-session/cross-user elevation of privilege (EoP) and code execution. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/263 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 7.0.8 or earlier. * Any .NET 6.0 application running on .NET 6.0.19 or earlier. If your applicati...

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition and also to take additional actions prior to exploitation to prepare the target environment.