{"schemaVersion":3,"id":"CVE-2017-0149","aliases":[],"status":"published","duplicateOf":null,"title":"Microsoft Internet Explorer Memory Corruption Vulnerability","description":"Microsoft Internet Explorer 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Internet Explorer Memory Corruption Vulnerability.\" This vulnerability is different from those described in CVE-2017-0018 and CVE-2017-0037.","dates":{"published":"2017-03-17T00:00:00.000Z","modified":"2025-10-21T23:55:43.703Z","reserved":null,"kevAdded":["2022-05-24T00:00:00.000Z"],"kevDue":["2022-06-14T00:00:00.000Z"]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.6,"severity":"high","vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.29178,"percentile":0.98168,"severity":"high","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.29178},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.29178,"percentile":0.98168}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.29178,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.29178,"percentile":0.98168}]},"kev":{"state":"listed","entries":[{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-05-24T00:00:00.000Z","dueDate":"2022-06-14T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"Microsoft Internet Explorer Memory Corruption Vulnerability","description":"Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code or cause a denial-of-service (DoS) via a crafted website.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2017-0149","label":"nvd.nist.gov/vuln/detail/CVE-2017-0149"}],"vendor":"Microsoft","product":"Internet Explorer","ransomware":false,"ransomwareUse":"Unknown","exploitationType":null}],"listedCount":1,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":true,"entry":{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-05-24T00:00:00.000Z","dueDate":"2022-06-14T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"Microsoft Internet Explorer Memory Corruption Vulnerability","description":"Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code or cause a denial-of-service (DoS) via a crafted website.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2017-0149","label":"nvd.nist.gov/vuln/detail/CVE-2017-0149"}],"vendor":"Microsoft","product":"Internet Explorer","ransomware":false,"ransomwareUse":"Unknown","exploitationType":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 corporation","product":"internet explorer","name":"Internet Explorer","label":"internet explorer","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Internet Explorer 9 through 11","noFixRecorded":false,"fixedIn":null}],"versionsText":"Internet Explorer 9 through 11","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"internet-explorer","label":"Internet Explorer","category":"app"}},"hubHref":"/vendor/microsoft_corporation/internet_explorer"},{"vendor":"microsoft","product":"internet_explorer","name":"Internet Explorer","label":"internet_explorer","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"9","noFixRecorded":false,"fixedIn":null},{"text":"10","noFixRecorded":false,"fixedIn":null},{"text":"11","noFixRecorded":false,"fixedIn":null}],"versionsText":"9 | 10 | 11","eol":{"isEol":true,"eolDate":"2016-01-12T00:00:00.000Z","matchMethod":"name_exact","cycle":{"name":"9","label":"9","eolFrom":"2016-01-12T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"internet-explorer","label":"Internet Explorer","category":"app"}},"hubHref":"/vendor/microsoft/internet_explorer"}],"affectedCount":2,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0149","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0149","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/96724","label":"www.securityfocus.com/bid/96724","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Broken Link","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1038008","label":"www.securitytracker.com/id/1038008","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Broken Link","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0149","label":"www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0149","hostname":"www.cisa.gov","tags":["Government Resource","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-03-17T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"kev-added","date":"2022-05-24T00:00:00.000Z","label":"Added to CISA KEV","detail":"Microsoft Internet Explorer Memory Corruption Vulnerability","source":"cisa"},{"kind":"kev-due","date":"2022-06-14T00:00:00.000Z","label":"CISA remediation due","detail":"Apply updates per vendor instructions.","source":"cisa"},{"kind":"modified","date":"2025-10-21T23:55:43.703Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":85,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T12:09:16.133Z","stale":false,"partial":false}}