Integer Overflow Vulnerability in Dell PowerProtect Data Domain
CVE-2026-86389

7.2HIGH

Key Information:

Vendor

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

What is CVE-2026-86389?

The Dell PowerProtect Data Domain product presents an Integer Overflow or Wraparound vulnerability across several feature and LTS releases. This security weakness can be exploited by a high privileged attacker with remote access, potentially enabling them to execute arbitrary code, which may lead to unauthorized actions within the system. It is crucial for users to apply necessary security 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:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.