What is CVE-2026-59115?

CVE-2026-59115 is a critical-severity vulnerability in Microsoft Entra_provisioning_service, classified under Path Traversal: '.../...//'. CVSS score: 9.9/10. Published 2026-08-07.

How severe is CVE-2026-59115?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Path Traversal in Microsoft Entra_provisioning_service

CVE-2026-59115

'.../...//' in Microsoft Entra Provisioning Service (SyncFabric) allows an authorized attacker to elevate privileges over a network.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Microsoft Entra_provisioning_service
Microsoft Entra Provisioning Service

Weakness classification (CWE)

CWE-35 — Path Traversal: '.../...//'

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-59115?: CVE-2026-59115 is a critical-severity vulnerability in Microsoft Entra_provisioning_service, classified under Path Traversal: '.../...//'. CVSS score: 9.9/10. Published 2026-08-07.
How severe is CVE-2026-59115?: Critical severity. CVSS v3 base score is 9.9 out of 10.