SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-15630

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).

CRITICAL 9.9EPSS 0.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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).

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
0.34% probability · 27th percentile
CISA KEV
Not listed
Weakness
CWE-269, CWE-639, CWE-863
Source
cret@cert.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.