{"id":"CVE-2026-48566","aliases":["EUVD-2026-35520","GHSA-h3x8-fqjj-gwrg"],"status":"published","title":"Windows DWM Core Library Information Disclosure  Vulnerability","description":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges 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":"2026-11-10","score":0.00388,"percentile":0.33184,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-06-09T17:05:12Z","modified":"2026-11-10T23:24:05Z","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 server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48566","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48566"},{"url":"https://github.com/advisories/GHSA-h3x8-fqjj-gwrg"}],"sources":{"cve":[{"id":"CVE-2026-48566","title":"Windows DWM Core Library Information Disclosure  Vulnerability","description":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:05:12.084Z","modified":"2026-11-10T23:24:05.914Z","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":"2026-11-11T00:50:10.599584Z"}],"euvd":[{"id":"EUVD-2026-35520","description":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:05:12Z","modified":"2026-11-10T23:24:05Z","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":"2026-11-11T00:24:45.886763Z"}],"ghsa":[{"id":"GHSA-h3x8-fqjj-gwrg","title":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose...","description":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.","status":"published","published":"2026-06-09T18:31:00Z","modified":"2026-06-09T18:31:11Z","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":"2026-11-02T15:08:42.712998Z"}],"nvd":[{"id":"CVE-2026-48566","description":"Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:17:45.167Z","modified":"2026-08-14T17:18:20.407Z","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":"2026-11-02T14:12:23.109705Z"}]}}