CVE-2023-21561: Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Published Jan 10, 2023
·Updated
Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Affected Software
72 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows 7
Microsoft Windows 7
Microsoft Windows Server 2012 R2
Microsoft Windows RT 8.1
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10 1607
Microsoft Windows 10 1607
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 11 22h2
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Event History
Jan 10, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-21561?
CVE-2023-21561 is rated as a critical elevation of privilege vulnerability affecting Microsoft Cryptographic Services.
2
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.
3
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.
4
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.
5
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.