CVE-2026-40639
Awaiting Analysis Awaiting Analysis - Queue

Dell Client Platform BIOS Weak Encoding Password Privilege Escalation

Vulnerability report for CVE-2026-40639, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Dell

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-30
AI Q&A
2026-06-09
EPSS Evaluated
2026-06-28
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dell client_platform_bios *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-261 Obscuring a password with a trivial encoding does not protect the password.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability exists in the Dell Client Platform BIOS where a weak encoding method is used for passwords. An attacker who has physical access to the device and is unauthenticated could exploit this weakness to gain elevated privileges on the system.

Impact Analysis

If exploited, this vulnerability could allow an attacker with physical access to the device to elevate their privileges. This means they could gain higher-level access than intended, potentially compromising the security and integrity of the system.

Detection Guidance

This vulnerability involves a weak encoding for passwords in Dell Client Platform BIOS and requires physical access to exploit. There are no specific network detection methods or commands provided to detect this vulnerability remotely or on the system.

Mitigation Strategies

Since the vulnerability requires physical access and involves weak password encoding in the BIOS, immediate mitigation steps include restricting physical access to affected systems and applying any available BIOS updates or patches from Dell once released.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-40639. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart