CVE-2026-23853: Dell Data Domain Operating System

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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 7.13.1.50, contain a use of weak credentials vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to unauthorized access to the system.

Affected products

• Dell Data Domain Operating System: from 7.7.1.0, before 7.13.1.60 (fixed in 7.13.1.60); from 7.14.0.0, before 8.3.1.30 (fixed in 8.3.1.30); from 8.4.0.0, up to and including 8.6.0.0
• Dell Powerprotect Dp Series Appliance: before 2.7.9 (fixed in 2.7.9)

Published 2026-04-17. Last modified 2026-06-17.