CVE-2025-54502: High severity AMD AMD Platform Configuration Blob (APCB) SMM driver vulnerability

Published Apr 16, 2026
·
Updated

Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access (Ring 0) to achieve privilege escalation potentially resulting in arbitrary code execution.

Affected Software

1 affected component
AMD AMD Platform Configuration Blob (APCB) SMM driver

Event History

Apr 16, 2026
CVE Published
via MITRE·06:46 PM
Data Sourced
via MITRE·06:46 PM
DescriptionWeakness
Data Sourced
via Red Hat·08:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-54502?

CVE-2025-54502 has a high severity rating due to its potential to allow privilege escalation and arbitrary code execution.

2

How do I fix CVE-2025-54502?

To fix CVE-2025-54502, apply the latest security updates or patches provided by AMD for the Platform Configuration Blob (APCB) SMM driver.

3

Who is affected by CVE-2025-54502?

CVE-2025-54502 affects systems using the AMD Platform Configuration Blob (APCB) SMM driver.

4

What types of attacks are possible with CVE-2025-54502?

CVE-2025-54502 could potentially allow a privileged attacker to perform local privilege escalation and execute arbitrary code.

5

What should I do if I suspect exploitation of CVE-2025-54502 in my system?

If you suspect exploitation of CVE-2025-54502, immediately restrict access to your system and ensure all security updates are applied.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203