CVE-2023-21764: Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this Microsoft Exchange Server vulnerability?
The vulnerability ID of this Microsoft Exchange Server vulnerability is CVE-2023-21764.
What is the severity level of CVE-2023-21764?
The severity level of CVE-2023-21764 is high.
Which versions of Microsoft Exchange Server are affected by CVE-2023-21764?
Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 11, and Microsoft Exchange Server 2019 Cumulative Update 12 are affected by CVE-2023-21764.
How can I fix CVE-2023-21764?
To fix CVE-2023-21764, you can apply the corresponding patches provided by Microsoft. Please refer to the following links for more information: [Microsoft Exchange Server 2016 Cumulative Update 23](https://support.microsoft.com/help/5022143) and [Microsoft Exchange Server 2019 Cumulative Update 11 and 12](https://support.microsoft.com/help/5022193).
Where can I find more information about CVE-2023-21764?
You can find more information about CVE-2023-21764 on the Microsoft Security Response Center website: [CVE-2023-21764](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21764).