{"schemaVersion":3,"id":"CVE-2017-8703","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Microsoft Windows Subsystem for Linux on Microsoft Windows 10 1703 allows a denial of service vulnerability when it improperly handles objects in memory, aka \"Windows Subsystem for Linux Denial of Service Vulnerability\".","dates":{"published":"2017-10-13T13:00:00.000Z","modified":"2024-09-16T18:28:18.204Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.9,"severity":"medium","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01684,"percentile":0.76644,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01684},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01684,"percentile":0.76644}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01684,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01684,"percentile":0.76644}]},"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-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"microsoft corporation","product":"windows subsystem for linux","name":"Windows Subsystem for Linux","label":"windows subsystem for linux","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Microsoft Windows 10 1703","noFixRecorded":false,"fixedIn":null}],"versionsText":"Microsoft Windows 10 1703","eol":null,"hubHref":"/vendor/microsoft_corporation/windows_subsystem_for_linux"},{"vendor":"microsoft","product":"windows_10","name":"windows 10","label":"windows_10","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1703","noFixRecorded":false,"fixedIn":null}],"versionsText":"1703","eol":null,"hubHref":"/vendor/microsoft/windows_10"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/101164","label":"www.securityfocus.com/bid/101164","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1039534","label":"www.securitytracker.com/id/1039534","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8703","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8703","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-10-13T13:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T18:28:18.204Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T16:36:19.075Z","stale":false,"partial":false}}