CVE-2023-21561: Microsoft Cryptographic Services Elevation of Privilege Vulnerability
First published: Tue Jan 10 2023(Updated: )
Microsoft Cryptographic Services 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 2012 R2 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | ||
| 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 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-2023-21561?
CVE-2023-21561 is rated as a critical elevation of privilege vulnerability affecting Microsoft Cryptographic Services.
How do I fix CVE-2023-21561?
To fix CVE-2023-21561, apply the relevant security updates provided by Microsoft for your affected Windows version.
Which versions of Windows are affected by CVE-2023-21561?
CVE-2023-21561 affects multiple versions of Windows, including Windows 10, Windows 11, and Windows Server 2012 R2.
What is the impact of an exploit of CVE-2023-21561?
Exploiting CVE-2023-21561 could allow an attacker to gain elevated privileges, potentially leading to unauthorized access or control over the system.
How can I verify if my system is vulnerable to CVE-2023-21561?
You can verify vulnerability to CVE-2023-21561 by checking if your Windows system is updated with the latest security patches from Microsoft.
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- canonical/microsoft windows 10
- version/microsoft windows 10/20h2
- canonical/microsoft windows server 2012 r2
- version/microsoft windows 10/1809
- canonical/microsoft windows 7
- version/microsoft windows 10/22h2
- version/microsoft windows 10/1607
- version/microsoft windows 10/21h2
- canonical/microsoft windows server 2008 r2
- 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
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- version/microsoft windows server/sp2
- version/microsoft windows server/r2-sp1
- version/microsoft windows server/r2