How severe is CVE-2019-14686?

CVE-2019-14686 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-14686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14686?

CVE-2019-14686 primarily affects Trendmicro Antivirus + Security 2019. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-14686?

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

When was CVE-2019-14686 published?

CVE-2019-14686 was published on 2019-08-21 and last updated on 2026-06-17.

CVE-2019-14686

CVE-2019-14686 is a high-severity vulnerability in Trendmicro Antivirus + Security 2019 with a CVSS 3.x base score of 7.8. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Trendmicro Antivirus + Security 2019
Published: 2019-08-21
Last modified: 2026-06-17

Description

A DLL hijacking vulnerability exists in the Trend Micro Security's 2019 consumer family of products (v15) Folder Shield component and the standalone Trend Micro Ransom Buster (1.0) tool in which, if exploited, would allow an attacker to load a malicious DLL, leading to elevated privileges.

Frequently asked questions

What is CVE-2019-14686?: A DLL hijacking vulnerability exists in the Trend Micro Security's 2019 consumer family of products (v15) Folder Shield component and the standalone Trend Micro Ransom Buster (1.0) tool in which, if exploited, would allow an attacker to load a malicious DLL, leading to elevated privileges.
How severe is CVE-2019-14686?: CVE-2019-14686 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14686?: CVE-2019-14686 primarily affects Trendmicro Antivirus + Security 2019. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-14686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-14686 published?: CVE-2019-14686 was published on 2019-08-21 and last updated on 2026-06-17.

References

https://esupport.trendmicro.com/en-us/home/pages/technical-support/1123421.aspx

Affected products (5)

cpe:2.3:a:trendmicro:antivirus_\+_security_2019:15.0:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:internet_security_2019:15.0:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:maximum_security_2019:15.0:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:premium_security_2019:15.0:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:ransom_buster:1.0:*:*:*:*:*:*:*

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