CVE-2026-0438

No fix known EPSS <1%CVSS 5.4

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.

Published 2026-05-15 · CVE record · OSV

Products: AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 7000 Series Desktop Processors, AMD Ryzen™ 9000HX Series Processors, AMD Ryzen™ AI 300 Series Processors, AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors, AMD Ryzen™ 8000 Series Desktop Processors, AMD Ryzen™ 9000 Series Desktop Processors, AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ AI Max 300 Series Processors, AMD Ryzen™ Z1 Series Processors, AMD Ryzen™ Z2 Series Processors Extreme, AMD Ryzen™ Z2 Series Processors, AMD Ryzen™ Threadripper™ 7000 Processors, AMD Ryzen™ Threadripper™ 9000 Processors, AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors, AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael"), AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix"), AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge"), AMD Ryzen™ Embedded 9000 Series Processors, AMD Ryzen™ Embedded 8000 Series Processors, AMD Ryzen™ Embedded 7000 Series Processors, AMD EPYC™ 4004 Series Processors, AMD EPYC™ 4005 Series Processors