CVE-2022-21978

HighCVSS 8.2/10Last modified Jun 17, 2026

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 22>= 15.0.0, < 15.01.2375.028
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 11>= 15.02.0, < 15.02.0986.026
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 23>= 15.00.0, < 15.00.1497.36
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 23>= 15.01.0, < 15.01.2507.009
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 12>= 15.02.0, < 15.02.1118.009

References

Timeline

Published
May 10, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-21978: High severity, CVSS 8.2 | Vulnix