{"schemaVersion":3,"id":"CVE-2018-8145","aliases":["GHSA-xphq-3x6q-q2qq"],"status":"published","duplicateOf":null,"title":null,"description":"An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka \"Chakra Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore, Internet Explorer 11, Microsoft Edge, Internet Explorer 10. This CVE ID is unique from CVE-2018-0943, CVE-2018-8130, CVE-2018-8133, CVE-2018-8177.","dates":{"published":"2018-05-09T19:00:00.000Z","modified":"2024-08-05T06:46:13.452Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.6,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:H/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},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Nuget","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":4.1,"impact":9.8,"computed":true}]},"epss":{"probability":0.66639,"percentile":0.99287,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":-0.5269999999999997,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.67166},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.66877,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.52767,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.66639,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.66639,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.66639,"percentile":0.99287}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.52767,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.67166,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.66639,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.66639,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.66639,"percentile":0.99287}]},"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":[{"id":"45011","name":"Microsoft Edge Chakra JIT - Out-of-Bounds Reads/Writes","source":"exploit-database","url":"https://www.exploit-db.com/exploits/45011","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"windows","file":"exploits/windows/dos/45011.js","codes":["CVE-2018-8145"]},"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"microsoft","product":"chakracore","name":"chakracore","label":"chakracore","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"ChakraCore","noFixRecorded":false,"fixedIn":null},{"text":"≤ 1.8.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"ChakraCore | ≤ 1.8.3","eol":null,"hubHref":"/vendor/microsoft/chakracore"},{"vendor":"microsoft","product":"edge","name":"Edge","label":"edge","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/microsoft/edge"},{"vendor":"microsoft","product":"internet_explorer","name":"Internet Explorer","label":"internet_explorer","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"10","noFixRecorded":false,"fixedIn":null},{"text":"11","noFixRecorded":false,"fixedIn":null}],"versionsText":"10 | 11","eol":{"isEol":true,"eolDate":"2020-01-31T00:00:00.000Z","matchMethod":"name_exact","cycle":{"name":"10","label":"10","eolFrom":"2020-01-31T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"internet-explorer","label":"Internet Explorer","category":"app"}},"hubHref":"/vendor/microsoft/internet_explorer"},{"vendor":"microsoft","product":"internet explorer 10","name":"Internet Explorer 10","label":"internet explorer 10","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Windows Server 2012","noFixRecorded":false,"fixedIn":null}],"versionsText":"Windows Server 2012","eol":null,"hubHref":"/vendor/microsoft/internet_explorer_10"},{"vendor":"microsoft","product":"internet explorer 11","name":"Internet Explorer 11","label":"internet explorer 11","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Windows 10 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1607 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1607 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1703 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1703 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1709 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1709 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1803 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1803 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 7 for 32-bit Systems Service Pack 1","noFixRecorded":false,"fixedIn":null},{"text":"Windows 7 for x64-based Systems Service Pack 1","noFixRecorded":false,"fixedIn":null},{"text":"Windows 8.1 for 32-bit systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 8.1 for x64-based systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows RT 8.1","noFixRecorded":false,"fixedIn":null},{"text":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","noFixRecorded":false,"fixedIn":null},{"text":"Windows Server 2012 R2","noFixRecorded":false,"fixedIn":null},{"text":"Windows Server 2016","noFixRecorded":false,"fixedIn":null}],"versionsText":"Windows 10 for 32-bit Systems | Windows 10 for x64-based Systems | Windows 10 Version 1607 for 32-bit Systems | Windows 10 Version 1607 for x64-based Systems | Windows 10 Version 1703 for 32-bit Systems | Windows 10 Version 1703 for x64-based Systems | Windows 10 Version 1709 for 32-bit Systems | Windows 10 Version 1709 for x64-based Systems | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for x64-based Systems | Windows 7 for 32-bit Systems Service Pack 1 | Windows 7 for x64-based Systems Service Pack 1 | Windows 8.1 for 32-bit systems | Windows 8.1 for x64-based systems | Windows RT 8.1 | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Windows Server 2012 R2 | Windows Server 2016","eol":null,"hubHref":"/vendor/microsoft/internet_explorer_11"},{"vendor":"microsoft","product":"microsoft edge","name":"Microsoft Edge","label":"microsoft edge","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Windows 10 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1607 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1607 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1703 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1703 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1709 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1709 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1803 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1803 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows Server 2016","noFixRecorded":false,"fixedIn":null}],"versionsText":"Windows 10 for 32-bit Systems | Windows 10 for x64-based Systems | Windows 10 Version 1607 for 32-bit Systems | Windows 10 Version 1607 for x64-based Systems | Windows 10 Version 1703 for 32-bit Systems | Windows 10 Version 1703 for x64-based Systems | Windows 10 Version 1709 for 32-bit Systems | Windows 10 Version 1709 for x64-based Systems | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for x64-based Systems | Windows Server 2016","eol":null,"hubHref":"/vendor/microsoft/microsoft_edge"},{"vendor":"NuGet","product":"Microsoft.ChakraCore","name":"Microsoft.ChakraCore","label":"Microsoft.ChakraCore","ecosystem":"NuGet","cpePart":null,"purl":"pkg:nuget/Microsoft.ChakraCore","purlType":"nuget","versions":[{"text":"< 1.8.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.8.4","eol":null,"hubHref":null}],"affectedCount":7,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8145","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8145","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory","WEB"]},{"url":"https://www.exploit-db.com/exploits/45011/","label":"www.exploit-db.com/exploits/45011/","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/103986","label":"www.securityfocus.com/bid/103986","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1040844","label":"www.securitytracker.com/id/1040844","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8145","label":"nvd.nist.gov/vuln/detail/CVE-2018-8145","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/chakra-core/ChakraCore","label":"github.com/chakra-core/ChakraCore","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://web.archive.org/web/20210124164314/http://www.securityfocus.com/bid/103986","label":"web.archive.org/web/20210124164314/http://www.securityfocus.com/bid/103986","hostname":"web.archive.org","tags":["WEB"]},{"url":"https://web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844","label":"web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844","hostname":"web.archive.org","tags":["WEB"]},{"url":"https://www.exploit-db.com/exploits/45011","label":"www.exploit-db.com/exploits/45011","hostname":"www.exploit-db.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-05-09T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T06:46:13.452Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":54,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T10:27:57.882Z","stale":false,"partial":false}}