CVE-2024-21820: Intel 3rd Generation Intel Xeon Scalable Processor Family

High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days.

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.

Affected products

• Intel 3rd Generation Intel Xeon Scalable Processor Family: version 606A6 only
• Intel 4th Generation Intel Xeon Processor Scalable Family: version 806f7 only; version 806f8 only
• Intel 5th Generation Intel Xeon Processor Scalable Family: version c06f2 only
• Intel Xeon D Processor: version 606C1 only

Published 2024-11-13. Last modified 2026-06-17.