Dell PowerProtect Data Domain 7.7.1.0-8.8 Improper Auth Root Exec
CVE-2026-86400 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 an Improper Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges. This is a critical severity vulnerability as it allows an attacker to take complete control of the system. Dell recommends customers to upgrade at the earliest opportunity.
Vulnerability Analysis
CVE-2026-86400 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-86400 has been classified to as an authentification 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.