cve/2023/CVE-2023-21776.md

### [CVE-2023-21776](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21776)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201507&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201607&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201809&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%2020H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%2021H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%2022H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2011%20version%2021H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2011%20version%2022H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%207%20Service%20Pack%201&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%207&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%208.1&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20%20Service%20Pack%202&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20R2%20Service%20Pack%201%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20R2%20Service%20Pack%201&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20Service%20Pack%202%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20Service%20Pack%202&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20R2%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20R2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202016%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202016&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202019%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202019&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202022&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.10240.19685%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.14393.5648%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.17763.3887%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.19042.2486%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.19044.2486%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.19045.2486%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.20348.1487%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.22000.1455%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%3C%2010.0.22621.1105%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.0%3C%206.0.6003.21872%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.0%3C%206.1.7601.26321%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.1.0%3C%206.1.7601.26321%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.2.0%3C%206.2.9200.24075%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.3.0%3C%206.3.9600.20778%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125%3A%20Out-of-bounds%20Read&color=brighgreen)

### Description

Windows Kernel Information Disclosure Vulnerability

### POC

#### Reference
- http://packetstormsecurity.com/files/170947/Windows-Kernsl-SID-Table-Poisoning.html
- http://packetstormsecurity.com/files/172300/Windows-Kernel-CmpDoReDoCreateKey-CmpDoReOpenTransKey-Out-Of-Bounds-Read.html

#### Github
No PoCs found on GitHub currently.