AMD
CVE-2026-0454: An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potent
CVE-2026-0454 Nov 10, 2026 Source: Vendor
In brief. AMD published CVE-2026-0454: An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potent on November 10, 2026. It credits 2 researchers and teams for 1 CVE.
An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-0454
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Credited
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Credited as external researchers or identified through internal reviews