{"id":"CVE-2023-35388","published":"2023-08-08T17:08:53Z","modified":"2026-08-10T15:11:58Z","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","vendor":"Microsoft","product":"Microsoft Exchange Server 2016 Cumulative Update 23","tier":"tail","description":{"text":"Microsoft Exchange Server Remote Code Execution Vulnerability","provenance":"source","from":"CVE.org"},"cvss":{"score":8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.06847,"percentile":0.94014,"provenance":"source"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35388","tags":["vendor-advisory","patch"]}],"priority":{"score":24.4,"factors":[{"name":"EPSS percentile","points":18.8},{"name":"CVSS severity","points":5.6}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Microsoft Exchange Server 2016 Cumulative Update 23","versions":[">= 15.01.0, < 15.01.2507.032"]},{"vendor":"Microsoft","product":"Microsoft Exchange Server 2019 Cumulative Update 12","versions":[">= 15.02.0, < 15.02.1118.037"]},{"vendor":"Microsoft","product":"Microsoft Exchange Server 2019 Cumulative Update 13","versions":[">= 15.02.0, < 15.02.1258.025"]}],"euvd":{"id":"EUVD-2023-39391","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-exchange-server-cwe-502"}}