CVE-2026-86400

State: Published
Severity: 9.8 Critical
Published: Oct 28, 2026
Updated: Oct 30, 2026
Reserved: Sep 7, 2026

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 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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	dell

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
PowerProtect Data DomainDell	before 8.9.0.0 or laterAffected before 7.13.1.90 or laterAffected before 8.3.1.50 or laterAffected before 8.6.1.30 or laterAffected

References

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilitiesvendor-advisory

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