VULNERABILITY INTELLIGENCE

CVE-2021-26331

CVSS score7.8 HIGH
EPSS probability0.29%
CISA KEVNot currently listed
Published2021-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references