### CVE-2021-26868

#### Describe

Windows Graphics Component Elevation of Privilege Vulnerability
 

#### ImpactVersion

| Product             | CPU Architecture | Version | Update | Tested             |
| ------------------- | ---------------- | ------- | ------ | ------------------ |
| Windows 10          | x64/x86          | 1607    |        |                    |
| Windows 10          | x64/x86/ARM64 | 1803 |        |                    |
| Windows 10 | x64/x86/ARM64 | 1809 | | |
| Windows 10 | x64/x86/ARM64 | 1909 | | &#10004; |
| Windows 10 | x64/x86/ARM64 | 2004 | | |
| Windows 10 | x64/x86/ARM64 | 20H2 | | |
| Windows 10 | x64/x86/ARM64 |  | | |
| Windows 8.1         | x64/x86          |         |        |                    |
| Windows RT 8.1      |                  |         |        |                    |
| Windows Server 2012 |                  |         |        |                    |
| Windows Server 2012 |                  | R2      |        |                    |
| Windows Server 2016 |                  |         |        |                    |
| Windows Server 2019 | | | | |
| Windows Server | | 1909 | | |
| Windows Server | | 2004 | | |
| Windows Server | | 20H2 | | |

#### Patch

```
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26868
```

#### Utilization

CompilerEnvironment

- VS2019（V142）X64 Release
- VS2019（V142）X86 Release

Test system Windows 10 1909 X64

![CVE-2021-26868&CVE-2021-33739_win10_1909_x64](https://raw.github.com/Ascotbe/Image/master/Kernelhub/CVE-2021-26868&CVE-2021-33739_win10_1909_x64.gif)

#### ProjectSource

- [mavillon1](https://github.com/mavillon1/CVE-2021-33739-POC)