CVE-2024-21947

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CVSS 3.1

7.5 high

EPSS

<1%p3

Published

Sep 6, 2025 (Sep 6, 2025)

Modified

Jun 17, 2026

Description

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.

Weakness: CWE-1220
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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