CVE-2026-66333: OFBD SMM Read Validation Issues

AMI APTIOV contains vulnerabilities in BIOS where privileged users may cause the “Out-of-Bounds Read” by local access. Successful exploitation of this vulnerability may lead to a denial of service during firmware update processing, such as a crash or failed update if the out-of-bounds read hits unmapped memory. It could also impact Confidentiality, and Availability.