CVE Database›CVE-2026-20709

CVE-2026-20709

microcode_ctl: Intel Processors: Escalation of privilege due to default cryptographic key

Loading…

Severity

Moderate

Red Hat Product Security

6.6

CVSS 3.1

Review impact separately from score.

Published · April 9, 2026

Updated · June 30, 2026

Description

A flaw was found in some Intel Pentium Processor Silver Series, Intel Celeron Processor J Series, and Intel Celeron Processor N Series. This vulnerability arises from the use of a default cryptographic key in the hardware. A sophisticated attacker with physical access and privileged user access could exploit this to achieve an escalation of privilege, potentially compromising the system's confidentiality and integrity.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.6
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

CWE-1392 · Use of Default Credentials