8.8

RHSA-2026:76739: kernel Red Hat

CVSS: 8.8v3.1HighPublished
Published 10-10-2026Last modified 20-10-2026
Open JSON

Vulnerability summary

RHSA-2026:76739 is a high (CVSS 8.8) vulnerability in kernel Red Hat.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (OSV · Red hat), selected by version preference
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 38 · Downstream 0
CVE-2025-40149CVE-2026-23442CVE-2026-43332CVE-2026-45861CVE-2026-46076CVE-2026-46275

Timeline

  1. 10-10-2026
    PublishedVulnerability first disclosed.
  2. 20-10-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Redhat89 products
  • kernel< 0:5.14.0-687.55.1.el9_8
  • kernel-64k< 0:5.14.0-687.55.1.el9_8
  • kernel-64k-core< 0:5.14.0-687.55.1.el9_8
  • kernel-64k-debug< 0:5.14.0-687.55.1.el9_8
  • kernel-64k-debug-core< 0:5.14.0-687.55.1.el9_8

1 vendor · 89 products

References

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