Microsoft Dataverse: Schwachstelle ermöglicht Codeausführung
WID-SEC-2026-3832 · first 09.10.2026 · updated 09.10.2026 · CVSS 9,8
What it is about
Dataverse ermöglicht die Integration von Daten aus verschiedenen Quellen in einen einzigen Speicher. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Microsoft Dataverse ausnutzen, um beliebigen Programmcode auszuführen.
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
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Microsoft Dataverse
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 Security Update Guide vom 2026-10-08 msrc.microsoft.com
CVE: CVE-2026-88131
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.