CVE-2023-21776: Windows Kernel Information Disclosure Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Kernel Information Disclosure Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 7 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 7 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =21H2 | |
| 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 10 | ||
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =21h2 | |
| Microsoft Windows 10 | =22h2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1809 | |
| Windows 11 | =21h2 | |
| Windows 11 | =21h2 | |
| Windows 11 | =22h2 | |
| Windows 11 | =22h2 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows RT | ||
| 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 | ||
| 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 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-21776?
CVE-2023-21776 is rated as a medium severity vulnerability due to its potential for information disclosure.
How do I fix CVE-2023-21776?
To fix CVE-2023-21776, apply the latest security updates provided by Microsoft for the affected Windows versions.
What are the affected systems for CVE-2023-21776?
CVE-2023-21776 impacts various versions of Windows 10, Windows 11, Windows Server 2019, and Windows Server 2022.
What type of vulnerability is CVE-2023-21776?
CVE-2023-21776 is an information disclosure vulnerability that affects the Windows kernel.
Can CVE-2023-21776 be exploited remotely?
CVE-2023-21776 is not considered a remote exploit but can be exploited locally by an attacker to gain sensitive information.
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- canonical/microsoft windows 10
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- version/microsoft windows 10/1809
- canonical/microsoft windows 7
- canonical/microsoft windows server 2012 r2
- version/microsoft windows 10/21h2
- version/microsoft windows 10/22h2
- canonical/microsoft windows server 2008 r2
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- version/microsoft windows server/r2
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