What’s Vulnerable › Vulnerabilities
CVE-2024-42446: TOCTOU in SmmWhea
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-13 · updated 2026-06-17
- Weakness: CWE-367
Description
APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
Affected products
- AMI AptioV: from 5.0 before 5.039 — fixed in 5.039
How to fix
Upgrade to a fixed version: AMI AptioV 5.039. Check the vendor advisory for mitigations.
References
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