What is CVE-2026-67266?

CVE-2026-67266 is a medium-severity vulnerability in Dell Command Update, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2026-08-19.

How severe is CVE-2026-67266?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Dell Command Update

CVE-2026-67266

Dell Command Update (DCU), versions prior to 5.7.1, contain an Incorrect Authorization vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Vulnerability class: Broken Access Control

Published 2026-08-19 · last modified 2026-08-21.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.9th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-del… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-67266?: CVE-2026-67266 is a medium-severity vulnerability in Dell Command Update, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2026-08-19.
How severe is CVE-2026-67266?: Medium severity. CVSS v3 base score is 5.5 out of 10.