Dell PowerProtect Data Domain 7.7.1.0-8.8 LTS2024-2026 Missing Auth Remote Access
CVE-2026-86390 Published on October 28, 2026
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.
Vulnerability Analysis
CVE-2026-86390 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-86390 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
Dell PowerProtect Data Domain:- Before 8.9.0.0 or later is affected.
- Before 7.13.1.90 or later is affected.
- Before 8.3.1.50 or later is affected.
- Before 8.6.1.30 or later is affected.