What is CVE-2026-103799?

CVE-2026-103799 is a critical-severity vulnerability in Dell Powerprotect Data Domain Management Center, classified under Missing Authorization. CVSS score: 9.6/10. Published 2026-10-28.

How severe is CVE-2026-103799?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Auth bypass in Dell Powerprotect Data Domain Management Center

CVE-2026-103799

Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Missing Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized system operation on managed systems.

Vulnerability class: Broken Access Control

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Dell Powerprotect Data Domain Management Center

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-del… (vendor-advisory)

Frequently asked questions

What is CVE-2026-103799?: CVE-2026-103799 is a critical-severity vulnerability in Dell Powerprotect Data Domain Management Center, classified under Missing Authorization. CVSS score: 9.6/10. Published 2026-10-28.
How severe is CVE-2026-103799?: Critical severity. CVSS v3 base score is 9.6 out of 10.