Privilege escalation in Dell Powerprotect Data Domain
CVE-2026-86393
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 Privilege Management vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.
Vulnerability class: Privilege Escalation
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: 0.005 (39.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% 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
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-86393?
- CVE-2026-86393 is a high-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Privilege Management. CVSS score: 7.2/10. Published 2026-10-28.
- How severe is CVE-2026-86393?
- High severity. CVSS v3 base score is 7.2 out of 10.