SB20261111132 - Missing Authorization in Azure Confidential Clean Room



SB20261111132 - Missing Authorization in Azure Confidential Clean Room

Published: November 11, 2026

Security Bulletin ID SB20261111132
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Authorization (CVE-ID: CVE-2026-121668)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to make unauthorized modifications in an affected collaboration.

The vulnerability exists due to missing authorization in Azure Confidential Clean Rooms when handling network requests. A remote user can exploit missing authorization checks through network requests to make unauthorized modifications.

Exploitation requires ownership of an input dataset in the affected collaboration.


Remediation

Install update from vendor's website.