Is CVE-2026-26951 actively exploited?

No active exploitation of CVE-2026-26951 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-26951 be exploited remotely?

No. CVE-2026-26951 requires local access to exploit.

What is the CVSS score of CVE-2026-26951?

CVE-2026-26951 has a CVSS score of 6.7 (MEDIUM).

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MEDIUM

CVE-2026-26951

CWE-121Published: April 20, 2026· Updated: Apr 20, 2026

6.7

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

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.

NVD Source

Technical Analysis

CVE-2026-26951 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.