CVE-2025-26403

State: Published
Severity: 4.5 Medium
Published: Aug 12, 2025
Updated: Feb 26, 2026
Reserved: Mar 27, 2025

Description

Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Scores

CVSS	Score	Vector	Source
4.0	4.5 Medium	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N	intel
3.1	7.2 High	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N	intel

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDXn/a	See referencesAffected

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01367.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00027.html

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