CVE-2023-21763

Microsoft Exchange Server Elevation of Privilege Vulnerability

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.36%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 12
Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21763 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21763?
CVE-2023-21763 has been scored as a high severity vulnerability.
How to fix CVE-2023-21763?
To fix CVE-2023-21763, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21763 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21763 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21763?
CVE-2023-21763 affects Microsoft Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Microsoft Exchange Server 2016 Cumulative Update 23.
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