CVE-2026-20709

Public on 2026-04-08
Modified on 2026-04-13
Description
Use of Default Cryptographic Key in the hardware for some Intel(R) Pentium(R) Processor Silver Series, Intel(R) Celeron(R) Processor J Series, Intel(R) Celeron(R) Processor N Series may allow an escalation of privilege. Hardware reverse engineer adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.6
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core microcode_ctl Not Affected
Amazon Linux 2023 microcode_ctl Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.6 CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N