DSA-2026-324: Security update for Dell System Update (DSU) Vulnerabilities

Summary: Dell System Update (DSU) remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Impact

Critical

Details

Proprietary Code CVEs

Description

CVSS Base Score

CVSS Vector String

CVE-2026-86360

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.

9.6

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-86361

Dell System Update, versions prior to 2.3.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

8.2

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-86362

Dell System Update, versions prior to 2.3.0.0, contains an Improper Access Control vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

8.2

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-63697

Dell System Update, versions prior to 2.3.0.0, contains an Improper Certificate Validation vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.

7.6

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-71168

Dell System Update, versions prior to 2.3.0.0, contains an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Remote execution.

7.3

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

 

Proprietary Code CVEs

Description

CVSS Base Score

CVSS Vector String

CVE-2026-86360

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.

9.6

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-86361

Dell System Update, versions prior to 2.3.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

8.2

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-86362

Dell System Update, versions prior to 2.3.0.0, contains an Improper Access Control vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

8.2

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-63697

Dell System Update, versions prior to 2.3.0.0, contains an Improper Certificate Validation vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.

7.6

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

CVE-2026-71168

Dell System Update, versions prior to 2.3.0.0, contains an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Remote execution.

7.3

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.

 

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products & Remediation

Product

Affected Versions

Remediated Versions

Link

Dell System Update (DSU)

Versions prior to 2.3.0.0

Version 2.3.0.0 or later

https://www.dell.com/support/home/drivers/DriversDetails?driverid=J9TK1

 

Product

Affected Versions

Remediated Versions

Link

Dell System Update (DSU)

Versions prior to 2.3.0.0

Version 2.3.0.0 or later

https://www.dell.com/support/home/drivers/DriversDetails?driverid=J9TK1

 

Revision History

Revision

Date

Description

1.0

2026-10-01

Initial Release

 

Acknowledgements

  • CVE-2026-63697, CVE-2026-86360: Dell would like to thank Ori Gabriel for reporting these issues.
  • CVE-2026-86361, CVE-2026-86362: Dell would like to thank saltedfish for reporting these issues.
  • CVE-2026-71168: Dell would like to thank Nir Yehoshua of Cipher Security Labs for reporting this issue.

Related Information

Affected Products

Dell System Update
Article Properties
Article Number: 000515843
Article Type: Dell Security Advisory
Last Modified: 01 Oct 2026
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