AMD security advisory (AV26-355) – Canadian Centre for Cyber Security

Serial number: AV26-355
Date: April 15, 2026

On April 14, 2026, AMD published security advisories to address vulnerabilities in the following products:

• AMD EPYC Processors – multiple versions and models
• AMD Ryzen Processors – multiple versions and models
• AMD Ryzen Embedded Processors – multiple versions and models
• AMD EPYC Embedded Processors – multiple versions and models

The Cyber Centre encourages users and administrators to review the web links provided and apply the necessary updates.