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CVE-2026-86360: Dell System Update, versions prior to 2.3.0.0, contains an Improper Limitation of a Pathname to a Restricted D

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CRITICAL 9.6UPGRADE

CVE-2026-86360 is a critical-severity flaw (CVSS 9.6) affecting system update. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 e

Why this priority

  • Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score9.6 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.6% (top 52%)
CISA exploited listNo
WeaknessCWE-22
Published2026-10-06
Last modified2026-10-13
Publisher (CNA): Dell · Vendor: dell

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Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

dell system update UPGRADE
Affected: < 2.3.0.0
Fixed in: 2.3.0.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy system-update || rpm -q system-update || system-update --version
2. UPGRADE to 2.3.0.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade system-update
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade system-update
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-86360?

system update: upgrade to 2.3.0.0. Exact commands for each OS are on this page.

Is CVE-2026-86360 being exploited?

CVE-2026-86360 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-86360 affect?

CVE-2026-86360 affects system update. Severity is critical (CVSS 9.6). 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 vulnerabi

How urgent is CVE-2026-86360?

Priority 46/100. Critical severity

Software pages

Dell vulnerabilities

Related CVEs

References

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