# CVE-2026-86361: Dell System Update privilege escalation via permission assignment

Source: https://junglewise.ai/threats/cve-2026-86361-dell-system-update-versions-prior-to-2-3-0-0-contains-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-86361 · Severity: high · CVSS 8.2 · Published 2026-10-06

Dell System Update is a utility that manages firmware and driver updates on Dell systems. A low-privileged local attacker can exploit an incorrect permission assignment in versions before 2.3.0.0 to gain administrative privileges and fully compromise the system. This affects all Dell-managed systems running vulnerable versions of the tool.

Technologies: [Dell System Update](https://junglewise.ai/threats/technologies/system-update). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-86361 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-86361 being exploited in the wild.

**How severe is CVE-2026-86361?** High severity, with a CVSS score of 8.2, published 6 October 2026.

**Which products and versions are affected?** Dell System Update prior to 2.3.0.0.

**Is there a fix for CVE-2026-86361?** Yes: fixed in System Update 2.3.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-86361 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-86361?** Check whether you run Dell System Update at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in System Update 2.3.0.0 or later

## Technical details

A privilege escalation vulnerability exists in Dell System Update prior to 2.3.0.0 due to incorrect permission assignment on critical resources. An attacker with local user access and ability to trigger a user interaction can escalate to system privilege level, affecting confidentiality, integrity, and availability of the affected system.

## Affected products

- Dell System Update prior to 2.3.0.0

## Timeline

- 2026-10-06: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000515843/dsa-2026-324-security-update-for-dell-system-update-dsu-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000515843/dsa-2026-324-security-update-for-dell-system-update-dsu-vulnerabilities)

## Related threats

- [Dell System Update improper access control vulnerability](https://junglewise.ai/threats/cve-2026-86362-dell-system-update-versions-prior-to-2-3-0-0-contains-an-improper)
- [Dell System Update path traversal leading to arbitrary code execution](https://junglewise.ai/threats/cve-2026-86360-dell-system-update-versions-prior-to-2-3-0-0-contains-an-improper)
- [Dell System Update path traversal in local exploitation](https://junglewise.ai/threats/cve-2026-71168-dell-system-update-versions-prior-to-2-3-0-0-contains-an-improper)
- [Dell System Update improper certificate validation](https://junglewise.ai/threats/cve-2026-63697-dell-system-update-versions-prior-to-2-3-0-0-contains-an-improper)