CVE-2026-66334

CVSS 6.8 (medium) · published 2026-11-10

AMI APTIOV contains vulnerabilities in BIOS where privileged users may cause the “Out-of-Bounds Write” 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 write hits unmapped memory. It could also impact Integrity, and Availability.

Weakness: CWE-787

Source: NVD CVE-2026-66334

References

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