Missing Authorization Vulnerability in Dell PowerProtect Data Domain
CVE-2026-86390

6.5MEDIUM

Key Information:

Vendor

Dell
Status
Powerprotect Data Domain
Vendor
CVE Published:
28 October 2026

What is CVE-2026-86390?

A Missing Authorization vulnerability has been identified in Dell PowerProtect Data Domain across various versions. This issue could allow a low privileged attacker to exploit the system remotely, gaining unauthorized access to sensitive resources. Organizations using affected versions should ensure they apply the necessary security updates promptly to mitigate potential risks.

Affected Version(s)

PowerProtect Data Domain 0 < 8.9.0.0 or later

PowerProtect Data Domain 0 < 7.13.1.90 or later

PowerProtect Data Domain 0 < 8.3.1.50 or later

References

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-20...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.