Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-16526
A flaw in the PCP linux_sockets module exposes an unsecured internal connection. An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.
EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Red Hat Enterprise Linux 10 — versions 0:7.0.3-5.el10_2
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:5.3.7-22.el8_10.5
- Red Hat Enterprise Linux 9 — versions 0:6.3.7-8.el9_8.4
- Red Hat Openshift Container Platform 4
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-16526?
- CVE-2026-16526 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Exposure of File Descriptor to Unintended Control Sphere (File Descriptor Leak). CVSS score: 8.8/10. Published 2026-07-30.
- How severe is CVE-2026-16526?
- High severity. CVSS v3 base score is 8.8 out of 10.