What is RHSA-2026:6888?

RHSA-2026:6888 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: microcode_ctl security update

Which CVE IDs does RHSA-2026:6888 cover?

RHSA-2026:6888 covers the following CVE IDs: CVE-2025-35998. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:6888?

RHSA-2026:6888 has a CVSS v3 base score of 7.9, published by Red Hat Product Security.

Which products are affected by RHSA-2026:6888?

RHSA-2026:6888 affects 3 products, including: Red Hat Enterprise Linux BaseOS EUS (v. 10.0); microcode_ctl-4:20250211-1.20260227.1.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0); microcode_ctl-4:20250211-1.20260227.1.el10_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0).

RHSA-2026:6888HighCVSS 7.9

Red Hat Security Advisory: microcode_ctl security update

Vendor

Red Hat Product Security

Published

April 7, 2026

Last Modified

November 5, 2026

🔗 CVE IDs covered (1)

CVE-2025-35998 →

📋 Description

CVE-2025-35998 — Intel (R): From CVEorg collector

🎯 Affected products3

Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
microcode_ctl-4:20250211-1.20260227.1.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
microcode_ctl-4:20250211-1.20260227.1.el10_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:6888
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2438523
externalhttps://issues.redhat.com/browse/RHEL-162251
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6888.json