CVE-2026-28249: Medium severity AMD Secure Encrypted Virtualization (SEV) firmware vulnerability
Published Nov 10, 2026
·Updated
Improper preservation of consistency between independent representations of shared state in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially affect cache coherency for guest context pages resulting in loss of integrity.
Affected Software
1 affected component
AMD Secure Encrypted Virtualization (SEV) firmware
Event History
Nov 10, 2026
CVE Published
via MITRE·10:11 PM
Data Sourced
via MITRE·10:11 PM
DescriptionWeakness
Data Sourced
via NVD·10:18 PM
DescriptionSeverityWeakness