CVE-2026-15630: Critical severity Microsoft Microsoft Entra ID vulnerability
Published Jul 23, 2026
·Updated
A non-global organization admin in one tenant can bypass tenant boundaries to delete, create, or modify resources in any other tenant by exploiting a mismatch between authorization (based on ?id=) and action (based on request body).
Affected Software
1 affected component
Microsoft Microsoft Entra ID>=<
Event History
Jul 23, 2026
CVE Published
via MITRE·07:57 PM
Data Sourced
via MITRE·07:57 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-15630?
CVE-2026-15630 has a risk score of 73, indicating a high severity vulnerability.
2
How does CVE-2026-15630 affect organizations?
CVE-2026-15630 allows a non-global organization admin to bypass tenant boundaries, enabling unauthorized actions across different tenants.
3
What are the potential impacts of CVE-2026-15630?
The vulnerability could lead to unauthorized deletion, creation, or modification of resources in other tenants.
4
How can I fix CVE-2026-15630?
To mitigate CVE-2026-15630, ensure proper authorization checks are implemented to align actions with tenant boundaries.
5
When was CVE-2026-15630 published?
CVE-2026-15630 was published on July 23, 2026.