{"id":"CVE-2026-96183","aliases":["EUVD-2026-99051","GHSA-hfcq-93jq-cr32"],"status":"published","title":"Windows Health and Optimized Experiences Service Information Disclosure Vulnerability","description":"Missing authentication for critical function in Windows Health and Optimized Experiences 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":0.0038,"percentile":0.32474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-10-13T18:59:29Z","modified":"2026-11-10T20:33:41Z","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-2026-96183","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96183"},{"url":"https://github.com/advisories/GHSA-hfcq-93jq-cr32"}],"sources":{"cve":[{"id":"CVE-2026-96183","title":"Windows Health and Optimized Experiences Service Information Disclosure Vulnerability","description":"Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T18:59:29.535Z","modified":"2026-11-10T20:33:41.432Z","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-306"],"updated_at":"2026-11-10T22:18:30.298108Z"}],"euvd":[{"id":"EUVD-2026-99051","description":"Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T18:59:29Z","modified":"2026-11-10T20:33:41Z","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":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-hfcq-93jq-cr32","title":"Missing authentication for critical function in Windows Health and Optimized Experiences Service...","description":"Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T21:36:56Z","modified":"2026-10-13T21:36:56Z","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-306"],"updated_at":"2026-11-02T15:13:19.101875Z"}],"nvd":[{"id":"CVE-2026-96183","description":"Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.","status":"published","published":"2026-10-13T19:21:46.063Z","modified":"2026-10-16T15:59:55.463Z","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-306"],"updated_at":"2026-11-02T14:12:58.13117Z"}]}}