CVE-2023-36049: 
vulnerability analysis and mitigation

.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability was disclosed on November 14, 2023. This vulnerability affects multiple versions of Microsoft's .NET Framework, .NET, and Visual Studio 2022, including .NET versions 6.0.0 through 6.0.25, 7.0.0 through 7.0.14, and Visual Studio 2022 versions from 17.2 to 17.7.7 (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (Critical) by NIST, with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Microsoft's own assessment rated it slightly lower at 7.6 (High) with a vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L. The vulnerability is classified under CWE-20 (Improper Input Validation) (NVD).

This elevation of privilege vulnerability could potentially allow attackers to gain higher privileges than intended in affected systems. The high CVSS scores indicate that successful exploitation could lead to significant security impacts, including high levels of confidentiality, integrity, and availability breaches (NVD).

Microsoft has released security updates to address this vulnerability. The fixes are included in the November 14, 2023 Security and Quality Rollup for various versions of .NET Framework. It is recommended to install any required language packs before applying this update, and ensure the d3dcompiler_47.dll update is installed for .NET Framework versions 4.6 through 4.7.2 (Microsoft Support).