Vulnerability in Dell Data Domain Operating System

CVE-2026-23776

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contain(s) an Improper Certificate Validation vulnerability in certificate-based login. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-23776?
CVE-2026-23776 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Improper Certificate Validation. CVSS score: 7.2/10. Published 2026-04-17.
How severe is CVE-2026-23776?
High severity. CVSS v3 base score is 7.2 out of 10.