CVE WatchOct 30, 2026

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 re

CVSS

9.8

Critical

EPSS

0.3%

p27

KEV

—

Exploit Today

0-100

Published: Oct 28, 2026 · Last modified: Oct 30, 2026 · CWE-862

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-10-282026-11-07

Technical 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.

Official references

www.dell.comhttps://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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