CVE-2022-21980

Microsoft Exchange Server Elevation of Privilege Vulnerability

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

8.0

CVSS

Severity: High

CVSS 3.1 •

EPSS 7.93% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft Exchange Server 2013 Cumulative Update 23

Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 11

Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 22

Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 12

Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 23

References

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21980	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-21980?: CVE-2022-21980 has been scored as a high severity vulnerability.
How to fix CVE-2022-21980?: To fix CVE-2022-21980, 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-2022-21980 being actively exploited in the wild?: It is possible that CVE-2022-21980 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21980?: CVE-2022-21980 affects Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Microsoft Exchange Server 2016 Cumulative Update 23.

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