Vulnerability in Microsoft Fabric

[ Why it matters ]Priority signals

• Critical severity: CVSS 10.0

[ Description ]Official description

Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized attacker to elevate privileges over a network.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund1 Nov 2026WID-SEC-2026-4286

  Microsoft Azure, Entra and Exchange: Multiple vulnerabilities Translated from German

  CVE-2026-97785CVE-2026-96185CVE-2026-108456+4 more CVEs

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69843vendor-advisorypatch