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CVE-2026-86397VulnerabilityPublished

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through

Source GCVE Database

0
Authoritative record:CVE-2026-86397· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical · fixed in 8.9.0.0 or later : patch PowerProtect Data Domain as a priority.

Data as of 28 Oct 2026, 10:13 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 8.9.0.0 or later, 8.6.1.30 or later, 8.3.1.50 or later +1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade PowerProtect Data Domain to 8.9.0.0 or later, 8.6.1.30 or later, 8.3.1.50 or later or 7.13.1.90 or later.

Affected software

ProductAffectedFixed in
DellPowerProtect Data DomainAffected
  • =0
Fixed in
  • 8.9.0.0 or later
  • 8.6.1.30 or later
  • 8.3.1.50 or later
  • 7.13.1.90 or later

AI-suggested

Dell recommends customers upgrade affected Dell PowerProtect Data Domain systems to fixed versions as soon as possible. Until upgraded, systems remain vulnerable to remote unauthenticated privileged account creation.

Description

Dell PowerProtect Data Domain versions 7.7.1.0 through 8.8 (Feature Release), 7.13.1.0 through 7.13.1.80 (LTS2024), 8.3.1.0 through 8.3.1.40 (LTS2025), and 8.6.1.0 through 8.6.1.20 (LTS2026) contain an improper authentication vulnerability. This flaw allows an unauthenticated remote attacker to potentially create privileged accounts, leading to full system compromise. The vulnerability is rated critical with a CVSS score of 9.8. Dell recommends upgrading to fixed versions as soon as possible.

References

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