What is CVE-2025-49213?

CVE-2025-49213 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-2025-49213?

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

Deserialization in Microsoft Windows

CVE-2025-49213

An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49212 but is in a different method.

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: 0.133 (96.4th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000

Affected products

Weakness classification (CWE)

References

success.trendmicro.com/en-US/solution/KA-0019928 (Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-25-370/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-49213?: CVE-2025-49213 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-2025-49213?: Critical severity. CVSS v3 base score is 9.8 out of 10.