CVE-2026-40670: Medium severity AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) vulnerability
Published Nov 10, 2026
·Updated
Improper check for unusual or exceptional conditions in AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) could allow a privileged attacker to potentially overlap MMIO regions with DRAM regions resulting in loss of integrity.
Affected Software
1 affected component
AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP)
Event History
Nov 10, 2026
CVE Published
via MITRE·10:10 PM
Data Sourced
via MITRE·10:10 PM
DescriptionWeakness
Data Sourced
via NVD·10:18 PM
DescriptionSeverityWeakness