{"id":"CVE-2026-69393","aliases":["EUVD-2026-73485","GHSA-fmmv-5hq4-xhqp"],"status":"published","title":"Windows Spaceport.sys Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information over a network.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00894,"percentile":0.59905,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-08T17:15:26Z","modified":"2026-11-10T21:34:25Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69393","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69393"},{"url":"https://github.com/advisories/GHSA-fmmv-5hq4-xhqp"}],"sources":{"cve":[{"id":"CVE-2026-69393","title":"Windows Spaceport.sys Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-09-08T17:15:26.727Z","modified":"2026-11-10T21:34:25.469Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-10T22:48:52.144232Z"}],"euvd":[{"id":"EUVD-2026-73485","description":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-09-08T17:15:26Z","modified":"2026-11-10T21:34:25Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:48.645955Z"}],"ghsa":[{"id":"GHSA-fmmv-5hq4-xhqp","title":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information...","description":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-09-08T18:32:30Z","modified":"2026-09-08T18:32:38Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:31.116638Z"}],"nvd":[{"id":"CVE-2026-69393","description":"Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-09-08T18:19:01.347Z","modified":"2026-09-21T14:55:19.94Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}