Patchfirst
CVE-2026-86400 Critical · 9.8 EPSS 0.9%

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

Dell · PowerProtect Data Domain

Summary

A flaw in Dell PowerProtect Data Domain (Feature Release and LTS2024 through LTS2026 release lines) stems from improper authentication. Exploitation requires only remote network access and no authentication or user interaction, and allows an unauthenticated attacker to execute arbitrary commands with root privileges, giving them full control of the system.

Official description · NVD

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 arbitrary command execution with root privileges. 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.

Breakdown
20.1 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 28 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 3 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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