Microsoft Windows: Mehrere Schwachstellen
WID-SEC-2025-2781 · first 10.12.2025 · updated 20.01.2026 · CVSS 8,8
What it is about
Windows ist ein Betriebssystem von Microsoft. Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Programmcode auszuführen, Rechte zu eskalieren, vertrauliche Informationen auszulesen oder den Host zum Absturz zu bringen.
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 Programmcode auszuführen
- Rechte zu eskalieren
- vertrauliche Informationen auszulesen oder den Host zum Absturz zu bringen
Am I affected?
Affected according to the BSI:
- Hitachi Storage
- Microsoft Windows 11 Version 25H2
- Microsoft Windows Server 2008 SP2
- Microsoft Windows Server 2016
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 Version 22H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows Server 2022 23H2 Edition
and 10 more
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?
- CVE-2025-62221: exploited in the wild according to CISA, in the catalogue since 09.12.2025.
Information and sources
- Original BSI advisory (WID)
- Microsoft Leitfaden für Sicherheitsupdates msrc.microsoft.com
- Hitachi Vulnerability Information HITACHI-SEC-2025-313 vom 2026-01-20 www.hitachi.com
CVE: CVE-2025-54100, CVE-2025-55233, CVE-2025-59516, CVE-2025-59517, CVE-2025-62221, CVE-2025-62454, CVE-2025-62455, CVE-2025-62456, CVE-2025-62457, CVE-2025-62458, CVE-2025-62461, CVE-2025-62462, CVE-2025-62463, CVE-2025-62464, CVE-2025-62465, CVE-2025-62466, CVE-2025-62467, CVE-2025-62468, CVE-2025-62469, CVE-2025-62470 …
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.