CVE-2026-0438 (GCVE-0-2026-0438)
Vulnerability from cvelistv5 – Published: 2026-05-15 01:41 – Updated: 2026-05-19 21:01
VLAI
EPSS
VEX
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 13:17 UTC
CWE
- CWE-1072 - Call to Function Pointer from Untrusted Control Sphere in SMM
Assigner
References
Impacted products
28 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
PhoenixPI-FP8-FP7_1.2.0.0f
|
guessed | |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
DragonRangeFL1PI 1.0.0.3k
|
guessed | |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors |
Unaffected:
ComboAM5PI 1.0.0.d
|
guessed | |
| AMD | AMD Ryzen™ 9000HX Series Processors |
Unaffected:
FireRangeFL1PI 1.0.0.0d
|
guessed | |
| AMD | AMD Ryzen™ AI 300 Series Processors |
Unaffected:
StrixKrackanPI-FP8_1.1.0.0e
|
guessed | |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors |
Unaffected:
StormPeakPI-SP6 1.0.0.1m
Unaffected: StormPeakPI-SP6_1.1.0.0k |
guessed | |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors |
Unaffected:
ComboAM5PI 1.1.0.3f
|
guessed | |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors |
Unaffected:
ComboAM5PI_1.2.0.3i
|
guessed | |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors |
Unaffected:
ComboAM5PI 1.1.0.3f
|
guessed | |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors |
Unaffected:
ComboAM5PI_1.2.0.3i
|
guessed | |
| AMD | AMD Ryzen™ 9000 Series Desktop Processors |
Unaffected:
ComboAM5PI_1.2.0.3i
|
guessed | |
| AMD | AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
PhoenixPI-FP8-FP7_1.2.0.0f
|
guessed | |
| AMD | AMD Ryzen™ AI Max 300 Series Processors |
Unaffected:
StrixHaloPI-FP11_1.0.0.2a
|
guessed | |
| AMD | AMD Ryzen™ Z1 Series Processors |
Unaffected:
PhoenixPI-FP8-FP7_1.2.0.0f
|
guessed | |
| AMD | AMD Ryzen™ Z2 Series Processors Extreme |
Unaffected:
StrixKrackanPI-FP8_1.1.0.2d
|
guessed | |
| AMD | AMD Ryzen™ Z2 Series Processors |
Unaffected:
PhoenixPI-FP8-FP7_1.2.0.0f
|
guessed | |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors |
Unaffected:
ShimadaPeakPI-SP6 1.0.0.1c
|
guessed | |
| AMD | AMD Ryzen™ Threadripper™ 7000 Processors |
Unaffected:
ShimadaPeakPI-SP6 1.0.0.1c
|
guessed | |
| AMD | AMD Ryzen™ Threadripper™ 9000 Processors |
Unaffected:
ShimadaPeakPI-SP6 1.0.0.1c
|
guessed | |
| AMD | AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors |
Unaffected:
ShimadaPeakPI-SP6 1.0.0.1c
|
guessed | |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael") |
Unaffected:
ComboAM5PI_1.3.0.0
|
guessed | |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix") |
Unaffected:
ComboAM5PI_1.3.0.0
|
guessed | |
| AMD | AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge") |
Unaffected:
ComboAM5PI_1.3.0.0
|
guessed | |
| AMD | AMD Ryzen™ Embedded 9000 Series Processors |
Unaffected:
EmbeddedAM5PI 1.0.0.5
|
guessed | |
| AMD | AMD Ryzen™ Embedded 8000 Series Processors |
Unaffected:
EmbeddedPhoenixPI-FP7r2_1.0.0.4
|
guessed | |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors |
Unaffected:
EmbeddedAM5PI 1.0.0.5
|
guessed | |
| AMD | AMD EPYC™ 4004 Series Processors |
Unaffected:
ComboAM5PI 1.0.0.d / ComboAM5PI 1.1.0.3f / ComboAM5PI_1.2.0.3i
|
guessed | |
| AMD | AMD EPYC™ 4005 Series Processors |
Unaffected:
ComboAM5PI_1.2.0.3i
|
guessed |
Date Public
2026-05-19 20:59
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.