{"id":"CVE-2026-112803","aliases":["EUVD-2026-121877","GHSA-x4xx-x533-xxqm"],"status":"published","title":"Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability","description":"Improper access control in Windows Cloud Files Mini Filter Driver 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":"2026-11-14","score":0.00406,"percentile":0.35433,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-424"],"published":"2026-11-10T18:18:18Z","modified":"2026-11-12T18:48:23Z","products":[{"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 11 version 26h2"},{"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)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112803","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112803"},{"url":"https://github.com/advisories/GHSA-x4xx-x533-xxqm"}],"sources":{"cve":[{"id":"CVE-2026-112803","title":"Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability","description":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:18:18.307Z","modified":"2026-11-13T18:07:10.793Z","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-424","CWE-284"],"updated_at":"2026-11-12T22:49:18.558059Z"}],"euvd":[{"id":"EUVD-2026-121877","description":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:18:18Z","modified":"2026-11-13T18:07:10Z","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":"2026-11-10T23:24:32.395185Z"}],"ghsa":[{"id":"GHSA-x4xx-x533-xxqm","title":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker...","description":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T21:32:42Z","modified":"2026-11-12T21:30:54Z","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-284","CWE-424"],"updated_at":"2026-11-12T21:43:37.277087Z"}],"nvd":[{"id":"CVE-2026-112803","description":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T19:18:42.843Z","modified":"2026-11-12T22:18:09.087Z","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-424","CWE-284"],"updated_at":"2026-11-12T23:33:08.708953Z"}]}}