CVE-2026-86390
Received Received - Intake

Missing Authorization in Dell PowerProtect Data Domain

Vulnerability report for CVE-2026-86390, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-28

Last updated on: 2026-10-28

Assigner: Dell

Description

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 Missing Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-28
Last Modified
2026-10-28
Generated
2026-10-28
AI Q&A
2026-10-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is a Missing Authorization vulnerability in Dell PowerProtect Data Domain versions between 7.7.1.0 and 8.8. A low-privileged attacker with remote access could exploit it to gain unauthorized access to the system.

Impact Analysis

An attacker could access sensitive data or perform unauthorized actions on the affected system. This may lead to data breaches, loss of confidentiality, or potential disruption of backup and recovery operations.

Mitigation Strategies

Apply the latest security patches or updates provided by Dell for affected PowerProtect Data Domain versions. Ensure remote access is restricted to authorized users only and monitor for unauthorized access attempts.

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