{"id":"CVE-2026-83870","aliases":["EUVD-2026-100027","GHSA-5wpm-hjp5-gf3c"],"status":"published","title":"Windows Aggregated Data Platform Service Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Aggregated Data Platform Service 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":0.0044,"percentile":0.38668,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-13T19:00:59Z","modified":"2026-11-10T20:42:53Z","products":[{"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_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_11_26h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83870","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83870"},{"url":"https://github.com/advisories/GHSA-5wpm-hjp5-gf3c"}],"sources":{"cve":[{"id":"CVE-2026-83870","title":"Windows Aggregated Data Platform Service Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:00:59.642Z","modified":"2026-11-10T20:42:53.743Z","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":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-100027","description":"Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:00:59Z","modified":"2026-11-10T20:42:53Z","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":"2026-11-10T22:23:57.125737Z"}],"ghsa":[{"id":"GHSA-5wpm-hjp5-gf3c","title":"Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to...","description":"Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T21:35:01Z","modified":"2026-10-13T21:35:02Z","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":"2026-11-02T15:13:17.40783Z"}],"nvd":[{"id":"CVE-2026-83870","description":"Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:20:36.853Z","modified":"2026-10-21T17:11:22.527Z","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":"2026-11-02T14:12:58.13117Z"}]}}