Threat landscape
critical exploited

Microsoft Windows: Mehrere Schwachstellen

WID-SEC-2023-2890 · first 15.11.2023 · updated 14.04.2026 · CVSS 9,8

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What it is about

Windows ist ein Betriebssystem von Microsoft. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um seine Privilegien zu erhöhen, um beliebigen Code auszuführen, um Informationen offenzulegen, Sicherheitsmechanismen zu umgehen und um einen Denial of Service Zustand herbeizuführen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

  • seine Privilegien zu erhöhen
  • beliebigen Code auszuführen
  • Informationen offenzulegen
  • Sicherheitsmechanismen zu umgehen
  • einen Denial of Service Zustand herbeizuführen

Am I affected?

Affected according to the BSI:

  • Microsoft Windows 10
  • Microsoft Windows Server 2012
  • Hitachi Storage
  • Microsoft Windows Server 2016
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2008 SP2
  • Microsoft Windows Server 2008 R2 SP1
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2022
  • Microsoft Windows 10 Version 21H2

and 5 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-2023-36424: exploited in the wild according to CISA, in the catalogue since 13.04.2026.
  • CVE-2023-36033: exploited in the wild according to CISA, in the catalogue since 14.11.2023.
  • CVE-2023-36025: exploited in the wild according to CISA, in the catalogue since 14.11.2023.
  • CVE-2023-36036: exploited in the wild according to CISA, in the catalogue since 14.11.2023.

Information and sources

CVE: CVE-2023-24023, CVE-2023-36017, CVE-2023-36025, CVE-2023-36028, CVE-2023-36033, CVE-2023-36036, CVE-2023-36046, CVE-2023-36047, CVE-2023-36392, CVE-2023-36393, CVE-2023-36394, CVE-2023-36395, CVE-2023-36396, CVE-2023-36397, CVE-2023-36398, CVE-2023-36399, CVE-2023-36400, CVE-2023-36401, CVE-2023-36402, CVE-2023-36403 …

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.

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