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🗄️ Assets

AMD Zen 2 Firmware Update Strategy: Managing CPU Microcode Patches Across Enterprise Hardware

CVE-2026-46174 requires a PI firmware (BIOS/UEFI) update to deliver the AMD Zen 2 microcode fix — not a software patch. For enterprises running AMD EPYC Rome servers or Zen 2-based workstations, this means a separate patch track from OS-level vulnerability management. An asset-based approach to CPU generation inventory is the prerequisite.

#amd +7
🏛️ Architecture

AMD Zen 2 CVE-2026-46174: Operation Cache Microarchitecture Flaw Enables Kernel Privilege Escalation

AMD published Security Bulletin AMD-SB-7052 on 28 May for CVE-2026-46174, a microarchitectural flaw in Zen 2 processor operation caches. A local attacker can exploit timing characteristics of the op-cache to execute code with kernel privileges from a userspace context. PI firmware updates are required; the Xen Project also issued XSA-490 for virtualisation platform impacts.

#amd +7