CVE-2025-52534

MEDIUM

AMD CPU microcode - Memory Corruption

Title source: llm

Description

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity.

References (1)

Core 1

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

Scores

CVSS v4 5.3

EPSS 0.0030

EPSS Percentile 22.0%

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-1284

Status published

Products (1)

AMD/AMD EPYC™ 9005 Series Processors TurinPI 1.0.0.6

Published Feb 10, 2026

Tracked Since Feb 18, 2026