Vulnerability in Microsoft Exchange Server 2016 Cumulative Update 22
CVE-2022-41123
Microsoft Exchange Server Elevation of Privilege Vulnerability
EPSS: 0.012 (78.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Exchange Server 2016 Cumulative Update 22 — versions 15.0.0
- Microsoft Exchange Server 2016 Cumulative Update 23 — versions 15.01.0
- Microsoft Exchange Server 2019 Cumulative Update 11 — versions 15.02.0
- Microsoft Exchange Server 2019 Cumulative Update 12 — versions 15.02.0
Public proof-of-concept exploits
References
- Microsoft Exchange Server Elevation of Privilege Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2022-41123?
- CVE-2022-41123 is a high-severity vulnerability in Microsoft Exchange Server 2016 Cumulative Update 22. CVSS score: 7.8/10. Published 2022-11-09.
- How severe is CVE-2022-41123?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-41123 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.