CVE-2026-0438 MEDIUM

CVE-2026-0438

Weakness CWE-1072
Published May 15, 2026
Last update May 19, 2026

CVSS base score

5.4/10
Attack vector Physical
Attack complexity High
Privileges required High
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory. A highly privileged attacker could, with active user interaction and under high complexity and present preconditions, trigger execution of attacker-controlled code in SMM, potentially compromising the system’s confidentiality, integrity, and availability.

Key dates

02Disclosure timeline

May 15, 2026 CVE published
May 19, 2026 Record updated