Microsoft Windows: Mehrere Schwachstellen
WID-SEC-2026-1849 · first 10.06.2026 · updated 18.09.2026 · CVSS 9,8
What it is about
Windows ist ein Betriebssystem von Microsoft. Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren und offenzulegen oder Spoofing-Angriffe durchzuführen.
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
- Administratorrechte zu erlangen
- beliebigen Code auszuführen
- Sicherheitsmaßnahmen zu umgehen
- Daten zu manipulieren
- offenzulegen oder Spoofing-Angriffe durchzuführen
Am I affected?
Affected according to the BSI:
- Hitachi Virtual Storage Platform 5100
- Hitachi Virtual Storage Platform 5500
- Hitachi Virtual Storage Platform 5100H
- Hitachi Virtual Storage Platform 5500H
- Microsoft Windows Remote Desktop client for Desktop
- Microsoft Windows 11 Version 22H2
- Microsoft Windows App Client for Desktop
- Hitachi Virtual Storage Platform 5200
- Hitachi Virtual Storage Platform 5200H
- Hitachi Virtual Storage Platform 5600
- Hitachi Virtual Storage Platform 5600H
- Microsoft Windows Server 2012
and 17 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?
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)
- Microsoft Leitfaden für Sicherheitsupdates msrc.microsoft.com
- PoC CVE-2026-47291 vom 2026-07-13 github.com
- Oracle Linux Security Advisory ELSA-2026-33743 vom 2026-07-14 linux.oracle.com
- SUSE Security Update SUSE-SU-2026:22742-1 vom 2026-07-22 lists.suse.com
- Hitachi Vulnerability Information HITACHI-SEC-2026-315 vom 2026-08-21 www.hitachi.com
- Ubuntu Security Notice USN-8726-2 vom 2026-09-18 ubuntu.com
- Ubuntu Security Notice USN-8781-1 vom 2026-09-18 ubuntu.com
CVE: CVE-2025-10263, CVE-2026-33828, CVE-2026-34335, CVE-2026-40404, CVE-2026-40409, CVE-2026-41092, CVE-2026-41108, CVE-2026-42828, CVE-2026-42829, CVE-2026-42836, CVE-2026-42837, CVE-2026-42903, CVE-2026-42904, CVE-2026-42905, CVE-2026-42906, CVE-2026-42907, CVE-2026-42908, CVE-2026-42909, CVE-2026-42910, CVE-2026-42911 …
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.