{"id":"CVE-2026-78454","aliases":["EUVD-2026-73808","GHSA-29wr-28r6-39j2"],"status":"published","title":"Windows CD-ROM Driver Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows CD-ROM Driver 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":"2026-11-11","score":0.00404,"percentile":0.35109,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-08T17:18:27Z","modified":"2026-11-10T21:37:27Z","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 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_10_1607"},{"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_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78454","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78454"},{"url":"https://github.com/advisories/GHSA-29wr-28r6-39j2"}],"sources":{"cve":[{"id":"CVE-2026-78454","title":"Windows CD-ROM Driver Information Disclosure Vulnerability","description":"Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T17:18:27.72Z","modified":"2026-11-10T21:37:27.917Z","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":"2026-11-10T22:48:53.557052Z"}],"euvd":[{"id":"EUVD-2026-73808","description":"Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T17:18:27Z","modified":"2026-11-10T21:37:27Z","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":"2026-11-10T23:24:19.311812Z"}],"ghsa":[{"id":"GHSA-29wr-28r6-39j2","title":"Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information...","description":"Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T18:33:24Z","modified":"2026-09-08T18:34:02Z","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":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-78454","description":"Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T18:20:43.973Z","modified":"2026-09-11T18:55:06.92Z","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":"2026-11-02T14:12:45.264578Z"}]}}