What is CVE-2018-8654?

CVE-2018-8654 is a medium-severity vulnerability in Microsoft Dynamics 365, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2020-01-24.

How severe is CVE-2018-8654?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Privilege escalation in Microsoft Dynamics 365

CVE-2018-8654

An elevation of privilege vulnerability exists in Microsoft Dynamics 365 Server, aka 'Microsoft Dynamics 365 Elevation of Privilege Vulnerability'.

Vulnerability class: Privilege Escalation

Published 2020-01-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Microsoft Dynamics 365 — versions 8.0
Microsoft Dynamics 365 (On-Premises) Version 8 — versions unspecified

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8654 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-8654?: CVE-2018-8654 is a medium-severity vulnerability in Microsoft Dynamics 365, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2020-01-24.
How severe is CVE-2018-8654?: Medium severity. CVSS v3 base score is 6.5 out of 10.