MSRC-CVE-2026-24302 — Azure Arc Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

Details

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?
This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

Vulnerabilities 1

High 8.6

CVE-2026-24302

Azure Arc Elevation of Privilege Vulnerability

Improper access control in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Microsoft Azure ARC

Feb 5, 2026

Revision history

2026-04-10 #2
Acknowledgement added. This is an informational change only.
2026-02-05 #1
Information published.

References

CVE-2026-24302 Azure Arc Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24302
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss