CVE-2026-53483
Critical
Description
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 an improper authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access. This is a critical severity vulnerability as it allows an attacker to take complete control of system; so Dell recommends customers to upgrade at the earliest opportunity.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDell Data Domain Operating System
PublishedJul 7, 2026
First seenJul 7, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- dell data_domain_operating_system7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dell data_domain_operating_system | 7.7.1.0 ≤ v < 7.13.1.80, 7.14.0.0 ≤ v < 8.3.1.40, 8.4.0.0 ≤ v < 8.6.1.20, 8.7.0.0 ≤ v < 8.8.0.0 | 7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.