{"id":"CVE-2018-8581","published":"2018-11-14T01:29:01Z","modified":"2026-06-17T02:05:08Z","title":"Microsoft Exchange Server Privilege Escalation Vulnerability","vendor":"Microsoft","product":"Exchange Server","tier":"core","eol":null,"description":{"text":"An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka \"Microsoft Exchange Server Elevation of Privilege Vulnerability.\" This affects Microsoft Exchange Server.","provenance":"source","from":"NVD"},"summary":{"text":"A privilege escalation flaw exists in Microsoft Exchange Server. 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Entry"]},{"url":"http://www.securitytracker.com/id/1042141","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581","tags":["Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/105837","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1042141","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8581","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Public-facing Exchange server exploited remotely","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"An elevation of privilege vulnerability exists in Microsoft Exchange Server","start":0,"end":75}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Successful exploitation yields elevated privileges","mappingType":"primary_impact","evidence":[{"from":"description","quote":"An elevation of privilege vulnerability exists in Microsoft Exchange Server","start":0,"end":75}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2018-20198","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-20198","exploited":true,"exploitedSince":"2022-03-03","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":3,"skipped":0,"earliest":"2018-12-27","earliestUrl":"https://github.com/WyAtu/CVE-2018-8581","repos":[{"name":"Ridter/Exchange2domain","url":"https://github.com/Ridter/Exchange2domain","stars":367,"created":"2019-01-24"},{"name":"WyAtu/CVE-2018-8581","url":"https://github.com/WyAtu/CVE-2018-8581","stars":331,"created":"2018-12-27"},{"name":"qiantu88/CVE-2018-8581","url":"https://github.com/qiantu88/CVE-2018-8581","stars":5,"created":"2018-12-28"}]},"first":{"date":"2018-12-27","source":"PoC-in-GitHub","url":"https://github.com/WyAtu/CVE-2018-8581"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1068"],"provenance":"ai"}],"timeline":[{"date":"2018-11-14","kind":"published","label":"Published 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