## CVE-2020-1066

#### Describe

An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level.To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.The update addresses the vulnerability by correcting how .NET Framework activates COM objects., aka '.NET Framework Elevation of Privilege Vulnerability'.


#### ImpactVersion

| Product             | Version       | Update | Edition | Tested             |
| :------------------ | :------------ | ------ | ------- | ------------------ |
| Windows 7         | X86/x64 |    | SP1 |  &#10004;     |
| Windows Server 2008 | X86/x64 | R2 | SP1 |                    |
| Windows Server 2008 | X86/x64 |        | SP2 |                    |

#### Patch

```
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1066
```

#### Utilization

Failed to compile success

> The improvement permissions are the way to replace files, the machine restarts will have problems, cautiously

Test Machine Windows 7 SP1 X64 test function, forget the GIF map



#### Analyze
- https://www.anquanke.com/post/id/205105
- https://blog.csdn.net/qq_37353105/article/details/114481214

#### ProjectSource

- [cbwang505](https://github.com/cbwang505/CVE-2020-1066-EXP)

