CVE-2023-21773: Windows Kernel Elevation of Privilege Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Kernel Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =22H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =21H2 | |
| Windows 11 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-21773?
CVE-2023-21773 has a severity rating of important, indicating potential elevation of privilege risks.
How do I fix CVE-2023-21773?
To fix CVE-2023-21773, install the updates provided in the Microsoft security advisories linked to this vulnerability.
Which systems are affected by CVE-2023-21773?
CVE-2023-21773 affects various versions of Microsoft Windows including Windows 10, Windows Server 2008 R2, and Windows 11, among others.
Can CVE-2023-21773 lead to remote attacks?
CVE-2023-21773 is an elevation of privilege vulnerability, meaning it requires local access to exploit it, rather than being directly exploitable remotely.
Is there a workaround for CVE-2023-21773 while waiting for a patch?
Currently, there are no known workarounds for CVE-2023-21773; the recommended action is to apply the necessary security updates immediately.
- collector/msrc-cve
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- agent/first-publish-date
- agent/references
- agent/title
- agent/severity
- agent/description
- source/Microsoft
- agent/event
- agent/software-canonical-lookup
- agent/weakness
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- collector/nvd-index
- vendor/microsoft
- canonical/microsoft windows 10
- version/microsoft windows 10/20h2
- canonical/microsoft windows server 2008 r2
- version/microsoft windows 10/21h2
- version/microsoft windows 10/1809
- canonical/microsoft windows 7
- canonical/microsoft windows server 2012 r2
- version/microsoft windows 10/22h2
- version/microsoft windows 10/1607
- canonical/microsoft windows rt
- canonical/microsoft windows server
- canonical/microsoft windows 8.1
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2019
- canonical/windows 11
- version/windows 11/22h2
- version/windows 11/21h2
- canonical/microsoft windows server 2022
- version/microsoft windows 7/sp1
- version/microsoft windows server/sp2
- version/microsoft windows server/r2-sp1
- version/microsoft windows server/r2