What is CVE-2025-47866?

CVE-2025-47866 is a medium-severity vulnerability in Microsoft Windows, classified under CWE-475. CVSS score: 4.3/10. Published 2025-06-17.

How severe is CVE-2025-47866?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Arbitrary file upload in Microsoft Windows

CVE-2025-47866

An unrestricted file upload vulnerability in a Trend Micro Apex Central widget below version 8.0.6955 could allow an attacker to upload arbitrary files on affected installations.

Published 2025-06-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Microsoft Windows
Trendmicro Apex Central — versions 2019
Trend Micro, Inc. Micro Apex Central — versions 8.0

Weakness classification (CWE)

References

success.trendmicro.com/en-US/solution/KA-0019355 (Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-25-296/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-47866?: CVE-2025-47866 is a medium-severity vulnerability in Microsoft Windows, classified under CWE-475. CVSS score: 4.3/10. Published 2025-06-17.
How severe is CVE-2025-47866?: Medium severity. CVSS v3 base score is 4.3 out of 10.