---
id: "CVE-2026-90729"
kind: "vulnerability"
aliases: ["CVE-2026-90729"]
title: "Dell PowerProtect Data Domain: privilege management flaw lets admins escalate rights"
severity: "medium"
cvss: 6.7
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["backup-appliance", "data-domain", "dell", "infrastructure", "powerprotect", "self-hosted"]
not_affected_if: ["no-remote-access", "unaffected-release"]
published_at: "2026-10-27T12:17:08+00:00"
first_seen_at: "2026-10-27T12:31:38+00:00"
updated_at: "2026-10-27T12:32:06+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90729", "first_seen_at": "2026-10-27T12:31:38+00:00"}]
---

# Dell PowerProtect Data Domain: privilege management flaw lets admins escalate rights

Several Dell PowerProtect Data Domain release lines contain an improper privilege management flaw. A high-privileged attacker with remote access could potentially escalate their privileges on the appliance.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Data Domain OS version against the affected ranges in the Dell advisory (Feature Release 7.7.1.0 through 8.7; LTS2024 7.13.1.0 through 7.13.1.80; LTS2025 8.3.1.0 through 8.3.1.40; LTS2026 8.6.1.0 through 8.6.1.20)
- Review which accounts hold high privileges on the appliance and who can reach its management interface remotely

## Fix

- Move to a Data Domain OS release outside the affected ranges, as listed in the Dell security advisory (version numbers not stated in the sources)
- Limit remote management access to the appliance to trusted networks

## Timeline

- 2026-10-27T12:31:38+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-90729

## From the sources

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.7, 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 Privilege Management vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_