Azure Arc Elevation of Privilege Vulnerability
CVE-2026-69399 is an elevation of privilege vulnerability in Azure Arc (rated Critical, CVSS 9.9). Microsoft fixed it in the service; customers need to do nothing.
1 version
Facts
- Microsoft id
CVE-2026-69399- Products
- Azure Arc
- Severity
- Critical
- Impact
- Elevation of Privilege
- CVSS
- 9.9
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
- Exploited
- No
- Publicly disclosed
- No
- Customer action required
- No
- Release
- 2026-Sep
- Assigned by
- Microsoft
- Weakness
- CWE-441: Unintended Proxy or Intermediary
- MSRC revision
- 1.0
- Status pages
- Azure Arc status
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- Source
- Security updates · open the original at Microsoft
Microsoft's revision notes
- Revision 1.0, 2026-09-17:
Information published.
Microsoft says
Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.
What Microsoft changed
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
The text as we first saw it
Seen by us · Microsoft's timestamp · Microsoft's page
Related changes
Other changes for Azure Arc
- Public preview: Bring enhanced manageability to your SQL Server anywhere with Azure Arc · In preview
- Public preview: Azure SQL migration assessment enabled by Azure Arc · In preview
- Public preview: Azure Monitor managed service for Prometheus for Azure Arc-enabled Kubernetes · In preview
- Protect SQL Server 2014 workloads with Extended Security Updates
- Azure Arc Elevation of Privilege Vulnerability
- Public preview: Azure Arc enabled Azure Container Apps · In preview
- Public Preview: Microsoft Purview access policies for SQL Server 2022 · In preview
- Retirement: Open Service Mesh extension for Arc-enabled Kubernetes will be retired on September 30, 2027
Last updated