PowerProtect Data Domain Stack Overflow (v7.7.1.08.6) LPE
CVE-2026-26951 Published on April 20, 2026
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.
Vulnerability Analysis
CVE-2026-26951 can be exploited with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-26951 has been classified to as a Stack Overflow vulnerability or weakness.
Affected Versions
Dell PowerProtect Data Domain:- Before 8.6.1.10, 8.7.0.0 or later is affected.
- Before 8.3.1.30 or later is affected.
- Before 7.13.1.70 or later is affected.
- Before 2.7.9 with DD OS 8.3.1.30 is affected.