Vulnerability · Published Apr 20, 2026 · Assigned by dell

CVE-2026-26951

Medium 6.7

In plain English

A medium-severity stack buffer overflow in PowerProtect Data Domain from Dell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium

Exploit odds (30 days)0.1%top 97.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Dell	PowerProtect Data Domain	0 – before 8.6.1.10, 8.7.0.0 or later0 – before 8.3.1.30 or later0 – before 7.13.1.70 or later0 – before 2.7.9 with DD OS 8.3.1.30

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

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