What is CVE-2025-49216?

CVE-2025-49216 is a critical-severity vulnerability in Microsoft Windows, classified under CWE-477. CVSS score: 9.8/10. Published 2025-06-17.

How severe is CVE-2025-49216?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Microsoft Windows

CVE-2025-49216

An authentication bypass vulnerability in the Trend Micro Endpoint Encryption PolicyServer could allow an attacker to access key methods as an admin user and modify product configurations on affected installations.

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (44.6th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-477

References

success.trendmicro.com/en-US/solution/KA-0019928 (Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-25-373/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-49216?: CVE-2025-49216 is a critical-severity vulnerability in Microsoft Windows, classified under CWE-477. CVSS score: 9.8/10. Published 2025-06-17.
How severe is CVE-2025-49216?: Critical severity. CVSS v3 base score is 9.8 out of 10.