CVE-2026-16526
highA flaw in the PCP linux_sockets module exposes an unsecured internal connection.
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.
CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-07-30 06:25
Modified: 2026-11-04 22:18
NVD status: Awaiting Analysis
Last synced 2 hours ago
Verified against the source API 2026-11-04 22:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:55560 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:55617 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:55740 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:72272 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:72273 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:72593 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:72594 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:73767 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:74612 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:74613 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2026-16526 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2506026 secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 22:37 UTC · record ↗