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CVE-2026-81666: Red Hat Enterprise Linux 10 (exact versions not specified); +4 more affected products
CVE-2026-81666. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00191 (percentile 0.08267), scored 20-Oct-2026.
Affected technology
Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat
Red Hat OpenShift Container Platform 4 · Exact affected versions not specified by the source
Red Hat
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Adjacent network · No privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-190
- CCR priority
- 26.0 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00191 · percentile 0.08314 · 2026-10-21
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-22 01:10:55.718059+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-22 01:08:24.561609+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-81666.html