Improper Authorization Flaw in Dell PowerProtect Data Domain Products
CVE-2026-56086

8.8HIGH

Key Information:

Vendor

Dell
Status
Powerprotect Data Domain
Vendor
CVE Published:
8 July 2026

What is CVE-2026-56086?

Dell PowerProtect Data Domain software versions 7.7.1.0 to 8.6 and several other LTS releases contain an improper authorization vulnerability. This flaw could potentially allow low-privileged attackers with remote access to exploit the system, leading to unauthorized entry and control over sensitive data. It is crucial for users to promptly apply software updates to mitigate this security risk.

Affected Version(s)

PowerProtect Data Domain 0 < 8.7.0.0 or later

PowerProtect Data Domain 0 < 8.6.1.20 or later

PowerProtect Data Domain 0 < 8.3.1.40 or later

References

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-20...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.