What is CVE-2026-86385?

CVE-2026-86385 is a high-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Check for Dropped Privileges. CVSS score: 8.8/10. Published 2026-10-28.

How severe is CVE-2026-86385?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Dell Powerprotect Data Domain

CVE-2026-86385

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, contain an Improper Check for Dropped Privileges vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to elevation of privileges.

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.9th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% 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

Dell Powerprotect Data Domain

Weakness classification (CWE)

CWE-273 — Improper Check for Dropped Privileges

References

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

Frequently asked questions

What is CVE-2026-86385?: CVE-2026-86385 is a high-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Check for Dropped Privileges. CVSS score: 8.8/10. Published 2026-10-28.
How severe is CVE-2026-86385?: High severity. CVSS v3 base score is 8.8 out of 10.