CVE-2026-86399
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 ver
Dell PowerProtect Data Domain
CVSS
7.2HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)2.19%Chance of exploitation activity in the next 30 days, higher than 82% of CVEs. Scored 28 Oct 2026FIRST EPSS
What fixes it
- 8.9.0.0 or laterPowerProtect Data DomainCVE List
- 7.13.1.90 or laterPowerProtect Data DomainCVE List
- 8.3.1.50 or laterPowerProtect Data DomainCVE List
- 8.6.1.30 or laterPowerProtect Data DomainCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 4
- PowerProtect Data Domainaffected: all versions before 8.9.0.0 or laterCVE List
- PowerProtect Data Domainaffected: all versions before 7.13.1.90 or laterCVE List
- PowerProtect Data Domainaffected: all versions before 8.3.1.50 or laterCVE List
- PowerProtect Data Domainaffected: all versions before 8.6.1.30 or laterCVE List