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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}
],
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}
},
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"version": "2"
},
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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.
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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.
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