{"id":"CVE-2018-8265","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8265","generatedAt":"2026-10-29T03:57:53.644Z","title":"A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka \"Microsoft Exchange Remote Code Execution Vulnerability.\" This affects Microsoft Exchange Server.","description":"A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka \"Microsoft Exchange Remote Code Execution Vulnerability.\" This affects Microsoft Exchange Server.","published":"2018-10-10T13:29:01.000Z","lastModified":"2026-06-17T02:04:32.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["microsoft/exchange server"],"epss":{"score":0.19268,"percentile":0.97329,"date":"2026-10-28","history":[{"date":"2026-09-21","score":0.25266,"percentile":0.97891},{"date":"2026-09-22","score":0.19268,"percentile":0.97214}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 19.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.25266,"from":0.19268,"percentile":0.97891},"summary":"EPSS moved from 19.3% to 25.3% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/105491","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041836","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8265","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105491","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041836","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8265","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8265","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}