CVE-2026-26944: Dell Data Domain Operating System

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, 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 a missing authentication for critical function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges. Exploitation requires an authenticated user to perform a specific action.

Affected products

• Dell Data Domain Operating System: from 7.7.1.0, before 7.13.1.70 (fixed in 7.13.1.70); from 7.14.0.0, before 8.3.1.30 (fixed in 8.3.1.30); from 8.4.0.0, before 8.6.1.0 (fixed in 8.6.1.0)
• Dell Powerprotect Dp Series Appliance: before 2.7.9 (fixed in 2.7.9)

Published 2026-04-20. Last modified 2026-06-17.