---
id: CVE-2026-86398
title: >-
  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,
  conta…
summary: >-
  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,
  conta…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-22
vendor: Dell
product: PowerProtect Data Domain
affected:
  - powerprotect_data_domain < 8.9.0.0 or later
  - powerprotect_data_domain < 7.13.1.90 or later
  - powerprotect_data_domain < 8.3.1.50 or later
  - powerprotect_data_domain < 8.6.1.30 or later
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T08:58:15.053Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86398'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
tags:
  - cve.org
ingestedAt: '2026-10-28T09:08:02.529Z'
---

## Overview

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 Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to filesystem access for attacker.

## Affected

- `powerprotect_data_domain < 8.9.0.0 or later`
- `powerprotect_data_domain < 7.13.1.90 or later`
- `powerprotect_data_domain < 8.3.1.50 or later`
- `powerprotect_data_domain < 8.6.1.30 or later`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.