How severe is CVE-2022-41080?

CVE-2022-41080 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 77.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-41080: Microsoft Exchange Server Elevation of Privilege

CISA Known Exploited Vulnerabilities

Microsoft Exchange Server Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-01-10

Remediation due

2023-01-31

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41080; https://nvd.nist.gov/vuln/detail/CVE-2022-41080

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	15.00.0 to <15.00.1497.044
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 22	15.0.0 to <15.01.2375.037
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	15.01.0 to <15.01.2507.016
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 11	15.02.0 to <15.02.0986.036
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	15.02.0 to <15.02.1118.020

References

1 Links

Vendor advisories

Microsoft Exchange Server Elevation of Privilege Vulnerability

Record Details

Published

2022-11-09

Last updated

2026-08-10

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.