RCE in Dell Data Domain Operating System

CVE-2026-26943

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 an OS command injection vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.020 (80.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-26943: rose from 0.012 to 0.020.

EPSS over last 30 days · oldest: 0.012 · newest: 0.020 · change: +0.008

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26943?
CVE-2026-26943 is a high-severity vulnerability in Dell Data Domain Operating System, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-04-20.
How severe is CVE-2026-26943?
High severity. CVSS v3 base score is 7.2 out of 10.