How severe is CVE-2019-18190?

CVE-2019-18190 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-18190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18190?

CVE-2019-18190 primarily affects Trendmicro Antivirus+ Security 2020. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-18190 published?

CVE-2019-18190 was published on 2019-12-09 and last updated on 2026-06-17.

CVE-2019-18190

CVE-2019-18190 is a critical-severity vulnerability in Trendmicro Antivirus+ Security 2020 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Trendmicro Antivirus+ Security 2020
Published: 2019-12-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-18190?: CVE-2019-18190 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-18190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18190?: CVE-2019-18190 primarily affects Trendmicro Antivirus+ Security 2020. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-18190 published?: CVE-2019-18190 was published on 2019-12-09 and last updated on 2026-06-17.

References

https://esupport.trendmicro.com/en-us/home/pages/technical-support/1124031.aspx

Affected products (4)

cpe:2.3:a:trendmicro:antivirus\+_security_2020:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:internet_security_2020:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:maximum_security_2020:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:premium_security_2020:*:*:*:*:*:*:*:*

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