Lenovo BIOS: Mehrere Schwachstellen
WID-SEC-2026-2349 · first 15.07.2026 · updated 17.07.2026 · CVSS 7,8
What it is about
Das BIOS ist die Firmware bei IBM PC kompatiblen Computern. Lenovo ist ein Hersteller u. a. von Computern. Ein lokaler Angreifer kann mehrere Schwachstellen im BIOS verschiedener Lenovo Computermodelle ausnutzen, um Code auszuführen, Daten zu manipulieren, Informationen offenzulegen, einen Denial of Service zu verursachen und Privilegien zu erweitern.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- Code auszuführen
- Daten zu manipulieren
- Informationen offenzulegen
- einen Denial of Service zu verursachen
- Privilegien zu erweitern
Am I affected?
Affected according to the BSI:
- Lenovo 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-220440 vom 2026-07-14 support.lenovo.com
CVE: CVE-2026-10587, CVE-2026-10588, CVE-2026-10589, CVE-2026-10590, CVE-2026-25271
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.