7.8
CVSSv3

CVE-2023-21822

Published: 14/02/2023 Updated: 23/02/2023
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 0

Vulnerability Summary

This vulnerability allows local malicious users to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the win32kfull driver. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Vulnerability Trend

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microsoft windows server 2008 r2

microsoft windows server 2012 r2

microsoft windows server 2016 -

microsoft windows server 2008 -

microsoft windows server 2012 -

microsoft windows server 2019 -

microsoft windows server 2022 -

microsoft windows 10 1809

microsoft windows 10 20h2

microsoft windows 11 21h2

microsoft windows 10 21h2

microsoft windows 11 22h2

microsoft windows 10 22h2

microsoft windows 10 1607

microsoft windows 10

Github Repositories

Here I store my proof of concepts

PoC Archive Here I store my proof of concepts !!! ALL INFORMATION IS PROVIDED FOR EDUCATIONAL ONLY PURPOSES !!! Patchdiff CVE-2023-2341 CVE-2023-29336 CVE-2023-40481 CVE-2023-21822