UEFI OOB Write and Buffer Overflow Vulnerabilities

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-58774
StatePUBLISHED
AssignerAMI
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-13 14:17:18 UTC
Updated2026-10-16 15:20:39 UTC
DescriptionAMI APTIOV contains vulnerabilities in BIOS where users may cause “Buffer Access with Incorrect Length Value” by local access. Successful exploitation of this vulnerability could lead to buffer overflows, memory corruption, and arbitrary code execution, and also impact Confidentiality, Integrity, and Availability.

Risk And Classification

Primary CVSS: v4.0 8.3 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.001240000 probability, percentile 0.019440000 (date 2026-10-15)

Problem Types: CWE-805 | CWE-805 CWE-805 Buffer access with incorrect length value

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.3HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/C...
4.0CNACVSS8.3HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Sub Conf.
Low
Sub Integrity
Low
Sub Availability
High

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMI AptioV affected AptioV_5.0 AptioV_5.043 custom Not specified

References

ReferenceSourceLinkTags
go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf [email protected] go.ami.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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