CVE-2026-40639 Weak cryptography in DELL EMBEDDED PC 3000
An unauthenticated attacker with physical access can exploit weak password encoding in Dell BIOS to elevate privileges.
- 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-2026-40639?
CVE-2026-40639 is a medium-severity vulnerability in DELL EMBEDDED PC 3000, published on 9 Jun 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 a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Weakness: CWE-261
Which versions are affected by CVE-2026-40639?
How do I fix CVE-2026-40639?
No fix has been published for CVE-2026-40639 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40639 being exploited?
There is no known exploitation of CVE-2026-40639 in the wild and no public exploit code.
Sources
Also known as GHSA-wgcp-rfq6-33jh.