What is CVE-2026-90721?

CVE-2026-90721 is a low-severity vulnerability in Dell Powerprotect Data Domain, classified under CWE-24. CVSS score: 3.4/10. Published 2026-10-28.

How severe is CVE-2026-90721?

Low severity. CVSS v3 base score is 3.4 out of 10.

Vulnerability in Dell Powerprotect Data Domain

CVE-2026-90721

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Path Traversal vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Denial of service.

Published 2026-10-28 · last modified 2026-10-29.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (1.8th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Dell Powerprotect Data Domain

Weakness classification (CWE)

CWE-24

References

www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-del… (vendor-advisory)

Frequently asked questions

What is CVE-2026-90721?: CVE-2026-90721 is a low-severity vulnerability in Dell Powerprotect Data Domain, classified under CWE-24. CVSS score: 3.4/10. Published 2026-10-28.
How severe is CVE-2026-90721?: Low severity. CVSS v3 base score is 3.4 out of 10.