CVE-2023-21773: 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 7
Microsoft Windows 7
Microsoft Windows Server 2012 R2
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 Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2023-21773?
CVE-2023-21773 has a severity rating of important, indicating potential elevation of privilege risks.
2
How do I fix CVE-2023-21773?
To fix CVE-2023-21773, install the updates provided in the Microsoft security advisories linked to this vulnerability.
3
Which systems are affected by CVE-2023-21773?
CVE-2023-21773 affects various versions of Microsoft Windows including Windows 10, Windows Server 2008 R2, and Windows 11, among others.
4
Can CVE-2023-21773 lead to remote attacks?
CVE-2023-21773 is an elevation of privilege vulnerability, meaning it requires local access to exploit it, rather than being directly exploitable remotely.
5
Is there a workaround for CVE-2023-21773 while waiting for a patch?
Currently, there are no known workarounds for CVE-2023-21773; the recommended action is to apply the necessary security updates immediately.