CVE-2026-86360

Critical

Description

Dell System Update, versions prior to 2.3.0.0, contains an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Filesystem access for attacker. This vulnerability is considered critical because it can be leveraged by an unauthenticated attacker to execute arbitrary code with root privileges. Successful exploitation may allow complete compromise of the vulnerable application and underlying operating system. Dell recommends customers upgrade at the earliest opportunity.

SeverityCritical
CVSS9.6
Exploit probability—
ProductDell System Update
PublishedOct 6, 2026
First seenOct 6, 2026

How to fix

Affected products

ProductAffected versionsFixed in
dell system_updatev < 2.3.0.02.3.0.0

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