Intel Xeon Gold 6554s Firmware vulnerabilities

2 CVEs affecting Intel Xeon Gold 6554s Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-20901, published 2026-08-11.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-20898, published 2026-08-11. High severity, CVSS 7.2. EPSS: 0.1% chance of exploitation in the next 30 days. Improper access control in the firmware for some in Alias Checking Trusted Module for some Intel(R) Xeon(R) processors may allow an escalation of privilege. Startup code and SMM adversary with a…
• CVE-2026-20901, published 2026-08-11. Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days. Improper input validation for some Intel(R) Xeon(R) processors within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high…