GCP-2026-032 — Published: 2026-05-12Description Description Severity Notes AMD has identified a hardware-level vulnerability in Zen 2 microarchitecture…

Published: 2026-05-12Description Description Severity Notes AMD has identified a hardware-level vulnerability in Zen 2 microarchitecture processors (including EPYC and Ryzen series) involving potential corruption within the micro-operation (OP) cache. Under specific conditions, this issue (AMD-SN-7052 / CVE-2025-54518) could lead to security boundary bypasses or unauthorized data access.We have deployed fixes across Google infrastructure to mitigate these issues. For more information, see the Compute Engine security bulletin. High CVE-2025-54518