How severe is CVE-2018-18333?

CVE-2018-18333 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-2018-18333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18333?

CVE-2018-18333 primarily affects Trendmicro Antivirus + Security. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18333?

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-2018-18333 published?

CVE-2018-18333 was published on 2019-02-05 and last updated on 2026-06-17.

CVE-2018-18333

CVE-2018-18333 is a high-severity vulnerability in Trendmicro Antivirus + Security 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Trendmicro Antivirus + Security
Published: 2019-02-05
Last modified: 2026-06-17

Description

A DLL hijacking vulnerability in Trend Micro Security 2019 (Consumer) versions below 15.0.0.1163 and below could allow an attacker to manipulate a specific DLL and escalate privileges on vulnerable installations.

Frequently asked questions

What is CVE-2018-18333?: A DLL hijacking vulnerability in Trend Micro Security 2019 (Consumer) versions below 15.0.0.1163 and below could allow an attacker to manipulate a specific DLL and escalate privileges on vulnerable installations.
How severe is CVE-2018-18333?: CVE-2018-18333 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-2018-18333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18333?: CVE-2018-18333 primarily affects Trendmicro Antivirus + Security. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18333?: 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-2018-18333 published?: CVE-2018-18333 was published on 2019-02-05 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:trendmicro:antivirus_\+_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:internet_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:maximum_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:premium_security:*:*:*:*:*:*:*:*

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