CVE-2026-26951

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-20 · updated 2026-10-26
Weakness: CWE-121

Description

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.13.1.70; from 8.3.1.0 before 8.3.1.30; from 8.4.0.0 before 8.6.1.0 — fixed in 7.13.1.70, 8.3.1.30, 8.6.1.0
Dell Powerprotect Dp Series Appliance: before 2.7.9 — fixed in 2.7.9

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.13.1.70, 8.3.1.30, 8.6.1.0; Dell Powerprotect Dp Series Appliance 2.7.9. Check the vendor advisory for mitigations.

References

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

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