{"id":"CVE-2026-69480","aliases":["EUVD-2026-73519","GHSA-8wwq-5gm3-3jqr"],"status":"published","title":"Windows Partition Management Driver Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Partition Management Driver 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":"2026-11-11","score":0.00333,"percentile":0.26923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-08T17:15:45Z","modified":"2026-11-10T21:34:45Z","products":[{"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 server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69480","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69480"},{"url":"https://github.com/advisories/GHSA-8wwq-5gm3-3jqr"}],"sources":{"cve":[{"id":"CVE-2026-69480","title":"Windows Partition Management Driver Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T17:15:45.635Z","modified":"2026-11-10T21:34:45.245Z","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":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73519","description":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T17:15:45Z","modified":"2026-11-10T21:34:45Z","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":"2026-11-10T22:23:48.645955Z"}],"ghsa":[{"id":"GHSA-8wwq-5gm3-3jqr","title":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker...","description":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T18:32:38Z","modified":"2026-09-08T18:32:48Z","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":"2026-11-02T15:11:31.116638Z"}],"nvd":[{"id":"CVE-2026-69480","description":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-09-08T18:19:13.99Z","modified":"2026-09-28T13:50:47.613Z","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":"2026-11-02T14:12:44.840742Z"}]}}