CVE-2026-33197 BDS Module Bypass Secure Boot Advisory
A privileged local user can bypass Secure Boot in AMI AptioV BIOS, leading to arbitrary code execution and system compromise.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-33197?
CVE-2026-33197 is a high-severity vulnerability in AMI AptioV, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-184
Which versions are affected by CVE-2026-33197?
How do I fix CVE-2026-33197?
No fix has been published for CVE-2026-33197 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-33197 being exploited?
There is no known exploitation of CVE-2026-33197 in the wild and no public exploit code.
Sources
Also known as GHSA-r768-j77w-2vwm.