AUGUST 5, 2026
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Case File

CVE-2021-26379

CRITICAL · CVSS 9.8 EPSS 0.68%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-05-09 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-26379
Severity
CRITICAL
CVSS
9.8
EPSS
0.68%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)