CVE-2024-21947 HIGH

CVE-2024-21947

Weakness CWE-1220
Published September 6, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

Key dates

02Disclosure timeline

September 6, 2025 CVE published
February 26, 2026 Record updated