{"id":"CVE-2026-69905","aliases":["EUVD-2026-99104","GHSA-g48h-gc9x-4f7w"],"status":"published","title":"Windows AppX Deployment Service Tampering Vulnerability","description":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00343,"percentile":0.28223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-10-13T18:59:33Z","modified":"2026-11-10T20:34:36Z","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)"},{"vendor":"microsoft","product":"windows_10_1809"},{"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_11_26h2"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69905","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69905"},{"url":"https://github.com/advisories/GHSA-g48h-gc9x-4f7w"}],"sources":{"cve":[{"id":"CVE-2026-69905","title":"Windows AppX Deployment Service Tampering Vulnerability","description":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T18:59:33.812Z","modified":"2026-11-10T20:34:36.814Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-10T22:18:27.902968Z"}],"euvd":[{"id":"EUVD-2026-99104","description":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T18:59:33Z","modified":"2026-11-10T20:34:36Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T21:23:23.709697Z"}],"ghsa":[{"id":"GHSA-g48h-gc9x-4f7w","title":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform...","description":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T21:33:52Z","modified":"2026-10-13T21:33:53Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:13:13.94868Z"}],"nvd":[{"id":"CVE-2026-69905","description":"Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T19:19:02.007Z","modified":"2026-10-16T18:08:03.08Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}