CVE-2021-26409: AMD Milanpi Firmware

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.

Affected products

• AMD Milanpi Firmware: before 1.0.0.3 (fixed in 1.0.0.3)

Published 2023-01-11. Last modified 2026-06-17.