VULNERABILITY INTELLIGENCE

CVE-2022-23821

CVSS score9.8 CRITICAL

EPSS probability0.99%

CISA KEVNot currently listed

Published2023-11-14

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

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.