Lenovo BIOS: Mehrere Schwachstellen
WID-SEC-2026-3254 · first 09.09.2026 · updated 10.09.2026 · CVSS 9,9
What it is about
Das BIOS ist die Firmware bei IBM PC kompatiblen Computern. Ein Angreifer kann mehrere Schwachstellen in Lenovo BIOS ausnutzen, um beliebigen Code auszuführen, Berechtigungen zu erweitern, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand herbeizuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Code auszuführen
- Berechtigungen zu erweitern
- Sicherheitsmaßnahmen zu umgehen
- Daten zu manipulieren
- vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand herbeizuführen
Am I affected?
Affected according to the BSI:
- Dell Computer
- Lenovo BIOS
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
- Original BSI advisory (WID)
- Lenovo Security Advisory LEN-226395 vom 2026-09-08 support.lenovo.com
- Dell Security Advisory DSA-2026-228 vom 2026-09-09 www.dell.com
CVE: CVE-2026-24225, CVE-2026-24262, CVE-2026-24263, CVE-2026-33197, CVE-2026-47624, CVE-2026-47626, CVE-2026-8810
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.