CVE-2026-53483

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-07 · updated 2026-10-25
Weakness: CWE-287

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.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.13.1.80; from 7.14.0.0 before 8.3.1.40; from 8.4.0.0 before 8.6.1.20; from 8.7.0.0 before 8.8.0.0 — fixed in 7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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