High severity · published Oct 13, 2026
CVE-2025-58771
UEFI OOB Write and Buffer Overflow Vulnerabilities
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
AMI APTIOV contains vulnerabilities in BIOS
where users may cause “Integer Overflow or Wraparound” 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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
AptioV · AMI
AptioV_5.0 before AptioV_5.044 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-58771
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-58771
go.ami.com
https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf
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