All vulnerabilities
CVE-2026-86377

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
Open in ThreatlineRecord JSON
CVSS
7.6High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in8.9.0.0 or laterAlso 7.13.1.90 or later, 8.3.1.50 or later and 1 moreCVE List
Published28 Oct 2026Updated 28 Oct 2026CVE List

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 Out-of-bounds Write vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

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

References 1