Vulnerability in Microsoft Exchange_server
CVE-2022-23277
Microsoft Exchange Server Remote Code Execution Vulnerability
EPSS: 0.408 (98.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Exchange_server — versions 2013, 2016, 2019
- Microsoft Exchange Server 2013 Cumulative Update 23 — versions 15.00.0
- Microsoft Exchange Server 2016 Cumulative Update 21 — versions 15.01.0
- Microsoft Exchange Server 2016 Cumulative Update 22 — versions 15.0.0
- Microsoft Exchange Server 2019 Cumulative Update 10 — versions 15.02.0
- Microsoft Exchange Server 2019 Cumulative Update 11 — versions 15.02.0
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2022-23277?
- CVE-2022-23277 is a high-severity vulnerability in Microsoft Exchange_server. CVSS score: 8.8/10. Published 2022-03-09.
- How severe is CVE-2022-23277?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-23277 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.