CVE-2023-21774: Windows Kernel Elevation of Privilege Vulnerability
Published Jan 10, 2023
·Updated
Windows Kernel Elevation of Privilege Vulnerability
Affected Software
72 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows 7
Microsoft Windows 7
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 Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2023-21774?
CVE-2023-21774 has been rated as a high severity vulnerability due to its potential for elevation of privilege in the Windows kernel.
2
How do I fix CVE-2023-21774?
To remediate CVE-2023-21774, install the latest security updates provided by Microsoft for affected Windows versions.
3
Which versions of Windows are affected by CVE-2023-21774?
CVE-2023-21774 affects various versions of Windows including Windows 10 (all major releases), Windows 11, and certain Windows Server editions.
4
Can CVE-2023-21774 be exploited remotely?
CVE-2023-21774 requires local access to the system, meaning it cannot be exploited remotely.
5
What type of vulnerability is CVE-2023-21774?
CVE-2023-21774 is categorized as an elevation of privilege vulnerability affecting the Windows kernel.