CVE-2023-21540: Windows Cryptographic Information Disclosure Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Cryptographic 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 1809 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 11 21h2 | ||
| Microsoft Windows 11 21h2 | ||
| Microsoft Windows 11 22h2 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 11 | =21H2 | |
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Reference Links
Frequently Asked Questions
What is CVE-2023-21540?
CVE-2023-21540 is a Windows Cryptographic Information Disclosure Vulnerability.
How severe is CVE-2023-21540?
CVE-2023-21540 has a severity rating of high (5.5).
Which software versions are affected by CVE-2023-21540?
CVE-2023-21540 affects various versions of Microsoft Windows, including Windows 10, Windows Server 2016, Windows 11, and Windows Server 2019 and 2022.
How can I fix CVE-2023-21540?
To fix CVE-2023-21540, you should apply the relevant security patch provided by Microsoft.
Where can I find more information about CVE-2023-21540?
You can find more information about CVE-2023-21540 on the Microsoft Security Response Center website.
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- vendor/microsoft
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- version/microsoft windows 10/20h2
- canonical/microsoft windows 10 1809
- canonical/microsoft windows 10 20h2
- canonical/microsoft windows 10 21h2
- canonical/microsoft windows 10 22h2
- canonical/microsoft windows 11 21h2
- canonical/microsoft windows 11 22h2
- canonical/microsoft windows server 2019
- canonical/microsoft windows server 2022
- canonical/microsoft windows 11
- version/microsoft windows 11/22h2
- version/microsoft windows 10/22h2
- version/microsoft windows 10/21h2
- version/microsoft windows 10/1809
- version/microsoft windows 11/21h2