What is CVE-2026-47647?

CVE-2026-47647 is a critical-severity vulnerability in Microsoft Dynamics 365, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-06-18.

How severe is CVE-2026-47647?

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

Vulnerability in Microsoft Dynamics 365

CVE-2026-47647

Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.

Published 2026-06-18 · last modified 2026-06-25.

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.

EPSS exploit prediction

EPSS: 0.008 (54.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

Dynamics 365 Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-47647?: CVE-2026-47647 is a critical-severity vulnerability in Microsoft Dynamics 365, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-06-18.
How severe is CVE-2026-47647?: Critical severity. CVSS v3 base score is 9.9 out of 10.