Stack-based Buffer Overflow in Dell PowerProtect Data Domain
CVE-2026-86378

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-86378?

The Dell PowerProtect Data Domain is vulnerable to a stack-based buffer overflow, affecting various feature and long-term support releases. A low-privileged remote attacker could exploit this vulnerability to achieve unauthorized access to system resources. It is crucial for administrators to be aware of this issue and apply the necessary security patches to safeguard their systems.

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:
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

.