CVE-2026-40639 - Vulnerability Details - OpenCVE

Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.

No CVSS v4.0

Attack Vector Physical

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197

History

Tue, 09 Jun 2026 21:30:00 +0000

Type	Values Removed	Values Added
Title		Weak Password Encoding in Dell BIOS Enables Privilege Escalation

Tue, 09 Jun 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 09 Jun 2026 18:45:00 +0000

Type	Values Removed	Values Added
Description		Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Weaknesses		CWE-261
References		https://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197
Metrics		cvssV3_1 `{'score': 5.7, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: dell

Published: 2026-06-09T18:04:53.344Z

Updated: 2026-06-09T19:12:13.457Z

Reserved: 2026-04-14T16:10:47.675Z

Link: CVE-2026-40639

Vulnrichment

Updated: 2026-06-09T19:12:09.428Z

NVD

Status : Awaiting Analysis

Published: 2026-06-09T19:17:53.043

Modified: 2026-06-09T19:30:24.713

Link: CVE-2026-40639

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-09T21:15:05Z

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