CVE-2023-21763: Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-21763?
CVE-2023-21763 is a vulnerability in Microsoft Exchange Server that allows an attacker to elevate their privileges.
What software versions are affected by CVE-2023-21763?
CVE-2023-21763 affects Microsoft Exchange Server 2016 cumulative update 23, Microsoft Exchange Server 2019 cumulative update 11, and Microsoft Exchange Server 2019 cumulative update 12.
What is the severity of CVE-2023-21763?
CVE-2023-21763 has a severity rating of 7.8, which is considered high.
How can I fix CVE-2023-21763?
To fix CVE-2023-21763, update your Microsoft Exchange Server to the latest cumulative updates: Microsoft Exchange Server 2016 cumulative update 23, Microsoft Exchange Server 2019 cumulative update 11, or Microsoft Exchange Server 2019 cumulative update 12.
Where can I find more information about CVE-2023-21763?
You can find more information about CVE-2023-21763 on the Microsoft Security Response Center (MSRC) website.