CVE-2022-23277

Microsoft Exchange Server Remote Code Execution Vulnerability

HIGH 8.8EPSS 41.1%

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected: Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23 · Microsoft Exchange Server 2016 Cumulative Update 21 · Microsoft Exchange Server 2019 Cumulative Update 10 · Microsoft Exchange Server 2016 Cumulative Update 22 · Microsoft Exchange Server 2019 Cumulative Update 11
CVSS v3.1 NVD: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 NVD: 6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS: 41.11% chance of exploitation in the next 30 days, 99th percentile
Published: 2022-03-09
Updated: 2025-07-08

Proof-of-concept exploits (1)