{"schemaVersion":3,"id":"CVE-2018-8625","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka \"Windows VBScript Engine Remote Code Execution Vulnerability.\" This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.","dates":{"published":"2018-12-12T00:00:00.000Z","modified":"2024-08-05T07:02:26.025Z","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}]},"epss":{"probability":0.43761,"percentile":0.98732,"severity":"high","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.43761},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.39576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.43761,"percentile":0.98732}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.39576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.43761,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.43761,"percentile":0.98732}]},"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":"46022","name":"VBScript - VbsErase Reference Leak Use-After-Free","source":"exploit-database","url":"https://www.exploit-db.com/exploits/46022","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"windows","file":"exploits/windows/dos/46022.txt","codes":["CVE-2018-8625"]},"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-416","name":"Use After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"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"},{"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 ARM64-based 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 ARM64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1803 for x64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1809 for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1809 for ARM64-based Systems","noFixRecorded":false,"fixedIn":null},{"text":"Windows 10 Version 1809 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},{"text":"Windows Server 2019","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 ARM64-based Systems | Windows 10 Version 1709 for x64-based Systems | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for ARM64-based Systems | Windows 10 Version 1803 for x64-based Systems | Windows 10 Version 1809 for 32-bit Systems | Windows 10 Version 1809 for ARM64-based Systems | Windows 10 Version 1809 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 | Windows Server 2019","eol":null,"hubHref":"/vendor/microsoft/internet_explorer_11"},{"vendor":"microsoft","product":"internet explorer 9","name":"Internet Explorer 9","label":"internet explorer 9","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Windows Server 2008 for 32-bit Systems Service Pack 2","noFixRecorded":false,"fixedIn":null},{"text":"Windows Server 2008 for x64-based Systems Service Pack 2","noFixRecorded":false,"fixedIn":null}],"versionsText":"Windows Server 2008 for 32-bit Systems Service Pack 2 | Windows Server 2008 for x64-based Systems Service Pack 2","eol":null,"hubHref":"/vendor/microsoft/internet_explorer_9"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securityfocus.com/bid/106122","label":"www.securityfocus.com/bid/106122","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/46022/","label":"www.exploit-db.com/exploits/46022/","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8625","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8625","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-12-12T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T07:02:26.025Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":49,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T10:52:18.746Z","stale":false,"partial":false}}