---
id: CVE-2026-86358
title: >-
  Dell Update Package Framework, versions prior to 26.07.03, contains a
  Stack-based Buffer Overflow vulnerability
summary: >-
  Dell Update Package Framework, versions prior to 26.07.03, contains a
  Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with
  adjacent network access could potentially exploit this vulnerability, leading
  to Remote exe…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-121
vendor: dell
product: update_package_framework
affected:
  - update_package_framework < 26.07.03
patched:
  - update_package_framework 26.07.03
published: '2026-09-16'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T17:51:45.927'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86358'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000509455/dsa-2026-417-security-update-for-dell-update-package-dup-framework-vulnerabilities
    label: security_alert@emc.com
tags:
  - nvd
  - cve.org
epss: 0.00296
epssPercentile: 0.22395
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-17T03:57:20.892250Z'
ingestedAt: '2026-09-16T16:59:56.597Z'
---

## Overview

Dell Update Package Framework, versions prior to 26.07.03, contains a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Remote execution.

## Affected

- `update_package_framework < 26.07.03`

## Remediation

Upgrade past the affected range:

- `update_package_framework 26.07.03`