{"schemaVersion":3,"id":"CVE-2019-0586","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2019-01-08T21:00:00.000Z","modified":"2024-08-04T17:51:26.861Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.15396,"percentile":0.96753,"severity":"medium","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.15396},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.15396,"percentile":0.96753}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.15396,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.15396,"percentile":0.96753}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"microsoft","product":"exchange_server","name":"exchange server","label":"exchange_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2016:cumulative_update_10","noFixRecorded":false,"fixedIn":null},{"text":"2016:cumulative_update_11","noFixRecorded":false,"fixedIn":null},{"text":"2019","noFixRecorded":false,"fixedIn":null}],"versionsText":"2016:cumulative_update_10 | 2016:cumulative_update_11 | 2019","eol":{"isEol":true,"eolDate":"2025-10-14T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"2019","label":"2019 CU15 SU5","eolFrom":"2025-10-14T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"15.2.1544.36"},"product":{"name":"msexchange","label":"Microsoft Exchange","category":"server-app"}},"hubHref":"/vendor/microsoft/exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server","name":"Microsoft Exchange Server","label":"microsoft exchange server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2016 Cumulative Update 10","noFixRecorded":false,"fixedIn":null},{"text":"2016 Cumulative Update 11","noFixRecorded":false,"fixedIn":null},{"text":"2019","noFixRecorded":false,"fixedIn":null}],"versionsText":"2016 Cumulative Update 10 | 2016 Cumulative Update 11 | 2019","eol":null,"hubHref":"/vendor/microsoft/microsoft_exchange_server"}],"affectedCount":2,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securityfocus.com/bid/106421","label":"www.securityfocus.com/bid/106421","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0586","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0586","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-01-08T21:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T17:51:26.861Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T13:24:36.721Z","stale":false,"partial":false}}