CVE-2026-26354 PUBLISHED

Assigner: dell
Reserved: 13.02.2026 Published: 22.04.2026 Updated: 23.04.2026

Dell PowerProtect Data Domain with Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.10, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contain a stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Dell
Product	PowerProtect Data Domain
Versions	Default: unaffected affected from 0 to 8.6.1.10, 8.7.0.0 or later (excl.) affected from 0 to 8.3.1.20 or later (excl.) affected from 0 to 7.13.1.60 or later (excl.) affected from 0 to 2.7.9 with DD OS 8.3.1.30 (excl.)

References

https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

Problem Types

CWE-121: Stack-based Buffer Overflow CWE