What is CVE-2019-18190?

CVE-2019-18190 is a critical-severity vulnerability in Microsoft Windows, classified under NULL Pointer Dereference. CVSS score: 9.8/10. Published 2019-12-09.

How severe is CVE-2019-18190?

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

NULL pointer dereference in Microsoft Windows

CVE-2019-18190

Trend Micro Security (Consumer) 2020 (v16.x) is affected by a vulnerability in where null pointer dereference errors result in the crash of application, which could potentially lead to possible unsigned code execution under certain circumstances.

Published 2019-12-09 · 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: 0.027 (85.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Microsoft Windows
Trend Micro Security (Consumer) — versions 2020 (Version 16.x)
Trendmicro Antivirus\+ Security 2020
Trendmicro Internet Security 2020
Trendmicro Maximum Security 2020
Trendmicro Premium Security 2020

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

esupport.trendmicro.com/en-us/home/pages/technical-support/1124031.aspx (Vendor Advisory)

Frequently asked questions

What is CVE-2019-18190?: CVE-2019-18190 is a critical-severity vulnerability in Microsoft Windows, classified under NULL Pointer Dereference. CVSS score: 9.8/10. Published 2019-12-09.
How severe is CVE-2019-18190?: Critical severity. CVSS v3 base score is 9.8 out of 10.