CVE-2026-35159 Auth bypass in 14 Plus 2-in-1 DB04250

Medium 5.3 Published Updated

An unauthenticated attacker with physical access can bypass BIOS authentication to disclose sensitive information on Dell client platforms.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-35159?

CVE-2026-35159 is a medium-severity authentication bypass vulnerability in Dell 14 Plus 2-in-1 DB04250, published on 3 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure.

Weakness: CWE-305

Which versions are affected by CVE-2026-35159?

How do I fix CVE-2026-35159?

No fix has been published for CVE-2026-35159 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-35159 being exploited?

There is no known exploitation of CVE-2026-35159 in the wild and no public exploit code.

Sources

Also known as GHSA-665g-qf3w-4vf7.

Is CVE-2026-35159 in your software?

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