CVE-2026-21418: Dell Unity Operating Environment

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Dell Unity, version(s) 5.5.2 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.

Affected products

• Dell Unity Operating Environment: before 5.5.3.0 (fixed in 5.5.3.0)

Published 2026-01-30. Last modified 2026-06-17.