CVE-2026-16526

high

Description

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.

References

Advisories
More

https://access.redhat.com/errata/RHSA-2026:74613

https://access.redhat.com/errata/RHSA-2026:74612

https://access.redhat.com/errata/RHSA-2026:73767

https://access.redhat.com/errata/RHSA-2026:72594

https://access.redhat.com/errata/RHSA-2026:72593

https://access.redhat.com/errata/RHSA-2026:72273

https://access.redhat.com/errata/RHSA-2026:72272

https://access.redhat.com/errata/RHSA-2026:55740

https://access.redhat.com/errata/RHSA-2026:55617

https://access.redhat.com/errata/RHSA-2026:55560

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-50971

https://bugzilla.redhat.com/show_bug.cgi?id=2506026

https://access.redhat.com/security/cve/CVE-2026-16526

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H