CVE-2023-20548 HIGH

CVE-2023-20548

Weakness CWE-367
Published February 11, 2026
Last update February 11, 2026

CVSS base score

7.1/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L

What the vulnerability does

01Description

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 11, 2026 Record updated