{"id":"CVE-2026-69999","aliases":["EUVD-2026-99855","GHSA-wg7w-f2gw-73q6"],"status":"published","title":"Windows Update Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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":0.00459,"percentile":0.40238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-13T19:00:40Z","modified":"2026-11-10T20:41:15Z","products":[{"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 11 version 26h2"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"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_11_26h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69999","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69999"},{"url":"https://github.com/advisories/GHSA-wg7w-f2gw-73q6"}],"sources":{"cve":[{"id":"CVE-2026-69999","title":"Windows Update Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:00:40.247Z","modified":"2026-11-10T20:41:15.039Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-10T22:18:27.902968Z"}],"euvd":[{"id":"EUVD-2026-99855","description":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:00:40Z","modified":"2026-11-10T20:41:15Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:58.135191Z"}],"ghsa":[{"id":"GHSA-wg7w-f2gw-73q6","title":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","description":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T21:33:59Z","modified":"2026-10-13T21:33:59Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:14.588915Z"}],"nvd":[{"id":"CVE-2026-69999","description":"Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:19:11.153Z","modified":"2026-10-19T12:54:11.307Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}