---
id: CVE-2026-81455
title: >-
  Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a
  Missing Authentication for Critical Function vulnerability
summary: >-
  Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a
  Missing Authentication for Critical Function vulnerability. An unauthenticated
  attacker with remote access could potentially exploit this vulnerability,
  leading …
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L'
cwe:
  - CWE-306
vendor: Dell
product: ThinOS 10
affected:
  - thinos_10 < SecurityAddon_2605.10.2766_T10
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T19:37:47.987'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81455'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000506503/dsa-2026-404-security-update-for-dell-thinos-10-for-multiple-vulnerabilities
    label: security_alert@emc.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-24T18:54:04.557564Z'
ingestedAt: '2026-09-24T19:50:30.716Z'
epss: 0.00262
epssPercentile: 0.16054
---

## Overview

Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.