CVE-2023-21764: Microsoft Exchange Server Elevation of Privilege Vulnerability
First published: Tue Jan 10 2023(Updated: )
Microsoft Exchange Server Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Exchange Server | =2016-cumulative_update_23 | |
| Microsoft Exchange Server | =2019-cumulative_update_11 | |
| Microsoft Exchange Server | =2019-cumulative_update_12 | |
| Microsoft Exchange Server 2019 | =12 | |
| Microsoft Exchange Server 2016 | =23 | |
| Microsoft Exchange Server 2019 | =11 | |
| =2016-cumulative_update_23 | ||
| =2019-cumulative_update_11 | ||
| =2019-cumulative_update_12 |
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Reference Links
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).
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- vendor/microsoft
- canonical/microsoft exchange server
- version/microsoft exchange server/2016-cumulative_update_23
- version/microsoft exchange server/2019-cumulative_update_11
- version/microsoft exchange server/2019-cumulative_update_12
- canonical/microsoft exchange server 2019
- version/microsoft exchange server 2019/12
- canonical/microsoft exchange server 2016
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- version/microsoft exchange server 2019/11