Heap-based Buffer Overflow in Dell PowerProtect Data Domain
CVE-2026-86392

4.9MEDIUM

Key Information:

Vendor

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

What is CVE-2026-86392?

A heap-based buffer overflow vulnerability exists in multiple versions of Dell PowerProtect Data Domain products. This issue can be exploited by an attacker with high privileges and remote access, potentially leading to system instability and service denial. It is crucial for organizations utilizing affected versions to apply security updates promptly to mitigate 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:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.