Vulnerability · Published Sep 8, 2026 · Assigned by AMI

CVE-2026-33197BDS Module Bypass Secure Boot Advisory

High 8.7

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 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.2%top 92.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

AMI APTIOV contains a vulnerability in BIOS where a privileged user may cause the “Incomplete List of Disallowed Inputs” by local access. Successful exploitation of this vulnerability may lead to arbitrary code execution and impact system Confidentiality, Integrity, and Availability.

Affected products (as reported)

VendorProductVersions
AMI AptioV AptioV_5.0 – before AptioV_5.044

Weakness: CWE-184 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References