Vulnerability · Published Oct 13, 2026 · Assigned by AMI

CVE-2025-58774UEFI OOB Write and Buffer Overflow Vulnerabilities

High 8.3

In plain English

A high-severity security flaw in AptioV from AMI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 4.0)8.3High
Exploit odds (30 days)0.1%top 97.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

AMI 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.

Affected products (as reported)

VendorProductVersions
AMI AptioV AptioV_5.0 – before AptioV_5.043

Weakness: CWE-805 · Vector: 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

References