Auth bypass in Dell Data Domain Operating System
CVE-2026-26944
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.002
Affected products
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-26944?
- CVE-2026-26944 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2026-04-20.
- How severe is CVE-2026-26944?
- High severity. CVSS v3 base score is 8.8 out of 10.