{"id":"CVE-2018-8154","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8154","generatedAt":"2026-10-28T21:18:33.441Z","title":"A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka \"Microsoft Exchange Memory Corruption Vulnerability.\" This affects Microsoft Exchange Server.","description":"A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka \"Microsoft Exchange Memory Corruption Vulnerability.\" This affects Microsoft Exchange Server. This CVE ID is unique from CVE-2018-8151.","published":"2018-05-09T19:29:02.000Z","lastModified":"2026-06-17T02:04:22.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["microsoft/exchange server"],"epss":{"score":0.23642,"percentile":0.97802,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.218,"percentile":0.97584},{"date":"2026-09-22","score":0.24055,"percentile":0.97739}]},"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 23.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/104054","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1040850","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8154","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/104054","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040850","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8154","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8154","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."}