Vulnerability Intelligence Report
CVE-2026-86397
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.34%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-862 ↗CWE-862: Missing Authorization
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Dell | PowerProtect Data Domain | 0 < 8.9.0.0 or later (affected), 0 < 7.13.1.90 or later (affected), 0 < 8.3.1.50 or later (affected), 0 < 8.6.1.30 or later (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.336%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Dell · Vendor · USA |
| Reserved | 2026-09-07T10:04:28 |
| Published | 2026-10-28T09:02:11 |
| Patch Date | 2026-10-01 |
| Last Updated | 2026-10-30T17:18:29 |
Community Chatter & Buzz