What is CVE-2026-26354?

CVE-2026-26354 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-04-22.

How severe is CVE-2026-26354?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Dell Data Domain Operating System

CVE-2026-26354

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.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

security_alert@emc.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-26354?: CVE-2026-26354 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-04-22.
How severe is CVE-2026-26354?: High severity. CVSS v3 base score is 8.1 out of 10.