Dell Client Platform BIOS: Schwachstelle ermöglicht Privilegieneskalation
WID-SEC-2026-1853 · first 10.06.2026 · updated 10.06.2026 · CVSS 5,7
What it is about
Das BIOS ist die Firmware bei IBM PC kompatiblen Computern. Ein Angreifer mit physischem Zugriff kann eine Schwachstelle in Dell Client Platform BIOS ausnutzen, um seine Privilegien zu erhöhen.
Under what conditions?
Only with direct access to the device, for example via USB or on site.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Dell BIOS Client Platform
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
CVE: CVE-2026-40639
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.