CVE-2023-22655: Intel 3rd Gen Intel Xeon Scalable Processor Family

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Affected products

• Intel 3rd Gen Intel Xeon Scalable Processor Family: any version
• Intel 4th Gen Intel Xeon Bronze Processors: any version
• Intel 4th Gen Intel Xeon Gold Processors: any version
• Intel 4th Gen Intel Xeon Platinum Processors: any version
• Intel 4th Gen Intel Xeon Scalable Processors: any version
• Intel 4th Gen Intel Xeon Scalable Processors With Intel Vran: any version
• Intel 4th Gen Intel Xeon Silver Processors: any version
• Intel 4th Generation Intel Xeon Gold Processors: any version
• Intel 4th Generation Intel Xeon Platinum Processors: any version
• Intel Xeon CPU Max Series Processors: any version
• Intel Xeon D Processor: any version

Published 2024-03-14. Last modified 2026-06-17.