VULNERABILITY INTELLIGENCE

CVE-2021-26379

CVSS score9.8 CRITICAL
EPSS probability0.68%
CISA KEVNot currently listed
Published2023-05-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references