Vulnerability record
CVE-2026-121668
The short answer
CVE-2026-121668 affects Microsoft Azure Confidential Clean Room and is rated high (CVSS 7.7). It is not in CISA's Known Exploited Vulnerabilities catalog.
What it is
Missing authorization in Azure Confidential Clean Rooms allows an authorized attacker to perform tampering over a network.
Weakness: CWE-862.
Severity
7.7 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
No score
FIRST scores CVEs within a day of publication
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- None
Affected products
Azure Confidential Clean Room. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-121668 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-11.
How do I fix CVE-2026-121668?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Awaiting Analysis. The description is NVD's text, quoted as published.
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