Vulnerability in Dell PowerProtect Data Domain

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.8

[ Description ]Official 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 Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to privileged account creation. This is a critical severity vulnerability as it allows an attacker to take complete control of the system. Dell recommends customers to upgrade at the earliest opportunity.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL30 Oct 2026NCSC-2026-0460

  Vulnerabilities fixed in Dell PowerProtect Data Domain Translated from Dutch

  Probability/damage M/HCVE-2026-68866CVE-2026-86377CVE-2026-86378+31 more CVEs
• BSI CERT-Bund27 Oct 2026WID-SEC-2026-4218

  Dell PowerProtect Data Domain OS: Multiple vulnerabilities Translated from German

  CVE-2026-90727CVE-2026-86379CVE-2026-90720+45 more CVEs

[ References ]References

• www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerp…