Is CVE-2026-86399 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86399?

CVE-2026-86399 has a CVSS v3 severity of HIGH (7.2).

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CVE-2026-86399

Description

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Command execution.