# CVE-2022-41080

Microsoft Exchange Server Elevation of Privilege Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2022-41080
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2023-01-10; CISA due date 2023-01-31; known ransomware use
- EPSS: 77.33% (percentile 99.6)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2022-12-23)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2023-12-22)
- Published: 2022-11-09

## Affected versions

- Microsoft Microsoft Exchange Server 2013 Cumulative Update 23: affected >= 15.00.0 and < 15.00.1497.044
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 22: affected >= 15.0.0 and < 15.01.2375.037
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23: affected >= 15.01.0 and < 15.01.2507.016
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 11: affected >= 15.02.0 and < 15.02.0986.036
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 12: affected >= 15.02.0 and < 15.02.1118.020

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41080
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41080

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.