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CVE record · CVE-2026-0438

A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory.

CVSS 5.4 MediumEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: AMD) at 15 May 2026, 01:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
  • unaffected PhoenixPI-FP8-FP7_1.2.0.0f
Other versions: affected
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics
  • unaffected DragonRangeFL1PI 1.0.0.3k
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5PI 1.0.0.d
Other versions: affected
AMD AMD Ryzen™ 9000HX Series Processors
  • unaffected FireRangeFL1PI 1.0.0.0d
Other versions: affected
AMD AMD Ryzen™ AI 300 Series Processors
  • unaffected StrixKrackanPI-FP8_1.1.0.0e
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
  • unaffected StormPeakPI-SP6 1.0.0.1m
  • unaffected StormPeakPI-SP6_1.1.0.0k
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5PI 1.1.0.3f
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5PI_1.2.0.3i
Other versions: affected
AMD AMD Ryzen™ 8000 Series Desktop Processors
  • unaffected ComboAM5PI 1.1.0.3f
Other versions: affected
AMD AMD Ryzen™ 8000 Series Desktop Processors
  • unaffected ComboAM5PI_1.2.0.3i
Other versions: affected
AMD AMD Ryzen™ 9000 Series Desktop Processors
  • unaffected ComboAM5PI_1.2.0.3i
Other versions: affected
AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics
  • unaffected PhoenixPI-FP8-FP7_1.2.0.0f
Other versions: affected
AMD AMD Ryzen™ AI Max 300 Series Processors
  • unaffected StrixHaloPI-FP11_1.0.0.2a
Other versions: affected
AMD AMD Ryzen™ Z1 Series Processors
  • unaffected PhoenixPI-FP8-FP7_1.2.0.0f
Other versions: affected
AMD AMD Ryzen™ Z1 Series Processors
  • unaffected PhoenixPI-FP8-FP7_1.2.0.0f
Other versions: affected
AMD AMD Ryzen™ Z2 Series Processors Extreme
  • unaffected StrixKrackanPI-FP8_1.1.0.2d
Other versions: affected
AMD AMD Ryzen™ Z2 Series Processors
  • unaffected PhoenixPI-FP8-FP7_1.2.0.0f
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
  • unaffected ShimadaPeakPI-SP6 1.0.0.1c
Other versions: affected
AMD AMD Ryzen™ Threadripper™ 7000 Processors
  • unaffected ShimadaPeakPI-SP6 1.0.0.1c
Other versions: affected
AMD AMD Ryzen™ Threadripper™ 9000 Processors
  • unaffected ShimadaPeakPI-SP6 1.0.0.1c
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors
  • unaffected ShimadaPeakPI-SP6 1.0.0.1c
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael")
  • unaffected ComboAM5PI_1.3.0.0
Other versions: affected
AMD AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix")
  • unaffected ComboAM5PI_1.3.0.0
Other versions: affected
AMD AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge")
  • unaffected ComboAM5PI_1.3.0.0
Other versions: affected
AMD AMD Ryzen™ Embedded 9000 Series Processors
  • unaffected EmbeddedAM5PI 1.0.0.5
Other versions: affected
AMD AMD Ryzen™ Embedded 8000 Series Processors
  • unaffected EmbeddedPhoenixPI-FP7r2_1.0.0.4
Other versions: affected
AMD AMD Ryzen™ Embedded 7000 Series Processors
  • unaffected EmbeddedAM5PI 1.0.0.5
Other versions: affected
AMD AMD EPYC™ 4004 Series Processors
  • unaffected ComboAM5PI 1.0.0.d / ComboAM5PI 1.1.0.3f / ComboAM5PI_1.2.0.3i
Other versions: affected
AMD AMD EPYC™ 4005 Series Processors
  • unaffected ComboAM5PI_1.2.0.3i
Other versions: affected
Identifiers
CVE-2026-0438
CNA
AMD
Weakness (CWE)
CWE-1072
Tags
Published
15 May 2026
Updated
19 May 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.4 Medium 4.0 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 CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0014, the 3rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.