What is CVE-2026-90720?

CVE-2026-90720 is a medium-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Validation of Integrity Check Value. CVSS score: 6.7/10. Published 2026-10-28.

How severe is CVE-2026-90720?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Dell Powerprotect Data Domain

CVE-2026-90720

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 an Improper Validation of Integrity Check Value vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

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

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.2th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.2% 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-354 — Improper Validation of Integrity Check Value

References

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

Frequently asked questions

What is CVE-2026-90720?: CVE-2026-90720 is a medium-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Validation of Integrity Check Value. CVSS score: 6.7/10. Published 2026-10-28.
How severe is CVE-2026-90720?: Medium severity. CVSS v3 base score is 6.7 out of 10.