CVE-2026-81455 | BDVDB-2026-378613 Detail

DellThinOS 10

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-306 Missing Authentication for Critical Function

References#

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

Exploit#

No public exploit known

History#

Version 12026-09-24Record published in the CVE List.

Published

Published: 2026-09-24
Last modified: 2026-09-24

Vendor information

Vendor: Dell
Product: ThinOS 10

All Dell vulnerabilities

Score

8.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< SecurityAddon_2605.10.2766_T10
Fixed
SecurityAddon_2605.10.2766_T10

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.6 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).