What is CVE-2026-56086?

CVE-2026-56086 is a high-severity vulnerability in Dell Data_domain_operating_system, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-07-08.

How severe is CVE-2026-56086?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Dell Data_domain_operating_system

CVE-2026-56086

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an Incorrect Autho…

Vulnerability class: Broken Access Control

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

Dell Data_domain_operating_system
Dell Powerprotect Data Domain — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security_alert@emc.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-56086?: CVE-2026-56086 is a high-severity vulnerability in Dell Data_domain_operating_system, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-07-08.
How severe is CVE-2026-56086?: High severity. CVSS v3 base score is 8.8 out of 10.