CVE-2026-81455

High

Description

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.

SeverityHigh

CVSS8.6

Exploit probability—

ProductThinOS 10

PublishedSep 24, 2026

First seenSep 24, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

Dell ThinOS 10SecurityAddon_2605.10.2766_T10 or later

Vendor advisories

dell.com/support/kbdoc/en-us/000506503/dsa-2026-404-security-update-for-dell-thinos-10-for-multiple-vulnerabilities

Affected products

Product	Affected versions	Fixed in
Dell ThinOS 10	v < SecurityAddon_2605.10.2766_T10	SecurityAddon_2605.10.2766_T10

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