{"id":"CVE-2026-108409","aliases":["EUVD-2026-121722","GHSA-rr3h-phf4-3v6g"],"status":"published","title":"Windows Overlay Filter Information Disclosure Vulnerability","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter 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":0.00444,"percentile":0.39158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-497"],"published":"2026-11-10T18:15:06Z","modified":"2026-11-10T21:32:33Z","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 11 version 26h2"},{"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)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108409","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108409"},{"url":"https://github.com/advisories/GHSA-rr3h-phf4-3v6g"}],"sources":{"cve":[{"id":"CVE-2026-108409","title":"Windows Overlay Filter Information Disclosure Vulnerability","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:15:06.918Z","modified":"2026-11-13T18:04:01.58Z","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-497"],"updated_at":"2026-11-10T19:39:57.855077Z"}],"euvd":[{"id":"EUVD-2026-121722","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:15:06Z","modified":"2026-11-13T18:04:01Z","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":"2026-11-10T23:24:26.96779Z"}],"ghsa":[{"id":"GHSA-rr3h-phf4-3v6g","title":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay...","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T21:32:26Z","modified":"2026-11-10T21:32:33Z","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-497"],"updated_at":"2026-11-10T21:57:48.570264Z"}],"nvd":[{"id":"CVE-2026-108409","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T19:18:10.26Z","modified":"2026-11-10T21:17:55.71Z","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-497"],"updated_at":"2026-11-11T00:21:53.860815Z"}]}}