CVE-2026-86384: Dell PowerProtect Data Domain · Use of Hard-coded Cryptographic Key
Affects Dell PowerProtect Data DomainSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical · fixed in 8.9.0.0 or later : patch Dell PowerProtect Data Domain as a priority.
Data as of 28 Oct 2026, 10:27 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 Dell 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
| Product | Affected | Fixed in |
|---|---|---|
| DellPowerProtect Data Domain | Affected
| Fixed in
|
AI-suggested
Fixed versions addressing this vulnerability are available: 8.9.0.0 or later for Feature Releases, 7.13.1.90 or later for LTS2024, 8.3.1.50 or later for LTS2025, and 8.6.1.30 or later for LTS2026. Users should upgrade to these versions to remediate the vulnerability. No vendor advisory indicating alternative mitigations or no-action status was provided.
Description
Dell PowerProtect Data Domain versions 7.7.1.0 through 8.8 and several LTS releases contain a vulnerability due to the use of hard-coded cryptographic keys. This flaw allows an unauthenticated remote attacker to potentially expose credentials, which could then be used to access the system with the privileges of the compromised user. The vulnerability is tracked as CVE-2026-86384 and has a critical severity rating with a CVSS score of 9.8. Fixed versions are available starting from 8.9.0.0 and corresponding LTS releases.