CVE-2025-26403 HIGH

CVE-2025-26403

Vendor N/A
Product Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDX
Weakness CWE-787
Published August 12, 2025
Last update February 26, 2026

CVSS base score

7.2/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated