{"id":"CVE-2026-109836","aliases":["EUVD-2026-116584","GHSA-8rm3-w4gx-f78w"],"status":"published","title":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an...","description":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00122,"percentile":0.02015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-782"],"published":"2026-11-03T22:52:42Z","modified":"2026-11-06T19:08:38Z","products":[{"vendor":"alcpu","product":"core temp"}],"references":[{"url":"http://www.alcpu.com/CoreTemp"},{"url":"https://jvn.jp/en/jp/JVN23328936/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109836"},{"url":"https://jvn.jp/en/jp/JVN23328936"},{"url":"https://github.com/advisories/GHSA-8rm3-w4gx-f78w"}],"sources":{"cve":[{"id":"CVE-2026-109836","description":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written.","status":"published","published":"2026-11-03T22:52:42.855Z","modified":"2026-11-06T19:08:38.663Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-782"],"updated_at":"2026-11-06T20:30:03.598374Z"}],"euvd":[{"id":"EUVD-2026-116584","description":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written.","status":"published","published":"2026-11-03T22:52:42Z","modified":"2026-11-06T19:08:38Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-06T20:06:05.048214Z"}],"ghsa":[{"id":"GHSA-8rm3-w4gx-f78w","title":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an...","description":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written.","status":"published","published":"2026-11-04T00:32:15Z","modified":"2026-11-04T00:32:19Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-782"],"updated_at":"2026-11-04T00:48:26.298057Z"}],"nvd":[{"id":"CVE-2026-109836","description":"The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written.","status":"published","published":"2026-11-03T23:17:25.697Z","modified":"2026-11-06T20:36:20.133Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-782"],"updated_at":"2026-11-06T22:02:16.475328Z"}]}}