Is CVE-2026-26354 actively exploited?

CVE-2026-26354 has no public evidence of in-the-wild exploitation as of 2026-04-27.

What is the CVSS score for CVE-2026-26354?

CVE-2026-26354 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-26354?

Patch guidance is available from dell security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-26354.

Fix CVE-2026-26354 - HIGH | CVEDatabase.com

Q: Which products are affected by CVE-2026-26354?

4 products: dell powerprotect dp series appliance, dell data domain operating system, dell data domain operating system, dell data domain operating system.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-121 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: DELL
Published: 4/22/2026
Last Modified: 4/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

dell : powerprotect_dp_series_appliancedell : data_domain_operating_systemdell : data_domain_operating_systemdell : data_domain_operating_system

Remediation Guidance

Executive Summary

View on NIST NVD