CVE-2026-109836

Insufficient Access Control in Core Temp Kernel Driver Enables Physical Memory Read/Write

Published Nov 3, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Alcpu
Alcpu core Temp
Vendors & Products Alcpu
Alcpu core Temp
Type Values Removed Values Added
Title Insufficient Access Control in Core Temp Kernel Driver Enables Physical Memory Read/Write
Type Values Removed Values Added
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.
Weaknesses CWE-782
References
Metrics cvssV3_0

{'score': 6.7, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Nov 6, 2026, 7:08 PM
Reserved
Oct 13, 2026, 6:39 AM
Status
Deferred
Published
Nov 3, 2026, 11:17 PM
Modified
Nov 6, 2026, 8:36 PM