Improper Authentication in Dell PowerProtect Data Domain Affects Remote Access
CVE-2026-86397

9.8CRITICAL

Key Information:

Vendor

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

What is CVE-2026-86397?

The Dell PowerProtect Data Domain is impacted by an improper authentication vulnerability that could allow unauthenticated attackers with remote access to exploit the system. This could result in the creation of privileged accounts, giving attackers significant control over the affected instances. It is essential for users to apply the latest updates to mitigate the risks associated with this vulnerability.

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:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.