{"id":"CVE-2026-62688","aliases":["EUVD-2026-56343","GHSA-6w3r-cj94-p4fm"],"status":"published","title":"Windows MIDI Service Module Elevation of Privileges Vulnerability","description":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00333,"percentile":0.26863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-08-11T17:04:02Z","modified":"2026-11-10T21:57:44Z","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_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62688","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62688"},{"url":"https://github.com/advisories/GHSA-6w3r-cj94-p4fm"}],"sources":{"cve":[{"id":"CVE-2026-62688","title":"Windows MIDI Service Module Elevation of Privileges Vulnerability","description":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:04:02.863Z","modified":"2026-11-10T21:57:44.664Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T22:48:51.483784Z"}],"euvd":[{"id":"EUVD-2026-56343","description":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:04:02Z","modified":"2026-11-10T21:57:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:18.338578Z"}],"ghsa":[{"id":"GHSA-6w3r-cj94-p4fm","title":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to...","description":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T18:31:12Z","modified":"2026-08-11T18:31:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:10:18.748745Z"}],"nvd":[{"id":"CVE-2026-62688","description":"Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:18:18.397Z","modified":"2026-08-13T14:49:54.717Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}