#microsoft

Microsoft today released updates to fix more than five dozen security holes in its Windows operating systems and related software, including three "zero day" vulnerabilities that Microsoft warns are already being exploited in active attacks.

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# Microsoft Security Advisory CVE-2023-36049: .NET Elevation of Privilege Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 7.0 and .NET 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. An elevation of privilege vulnerability exists in .NET where untrusted URIs provided to System.Net.WebRequest.Create can be used to inject arbitrary commands to backend FTP servers. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/287 ### <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 6.0 application running on .NET 6.0.24 or earlier. * Any .NET 7.0 application running on .NET 7.0.13 or e...

# Microsoft Security Advisory CVE-2023-36558: .NET Security Feature Bypass Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core 6.0, ASP.NET Core 7.0 and, ASP.NET Core 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A security feature bypass vulnerability exists in ASP.NET where an unauthenticated user is able to bypass validation on Blazor server forms which could trigger unintended actions. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/288 ### <a name="mitigation-factors"></a>Mitigation factors This vulnerability only affects ASP.NET Core Blazor apps. Other application types, including ASP.NET Core apps which do not utilize Blazor, are not affected. ## <a name="affected-software"></a>Affected software * Any ASP...

In all, this set of vulnerabilities Microsoft patched includes 57 vulnerabilities, 54 of which are considered “important.”

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