Out-of-bounds Write Vulnerability in Dell PowerProtect Data Domain
CVE-2026-86377

7.6HIGH

Key Information:

Vendor

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

What is CVE-2026-86377?

Dell PowerProtect Data Domain contains an Out-of-bounds Write vulnerability that enables low privileged attackers with remote access to potentially exploit the system. This exploitation could lead to a Denial of Service event, posing a risk to the integrity and availability of the affected products. Users should apply necessary patches to mitigate 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:
7.6
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.