How severe is CVE-2026-34930?

CVE-2026-34930 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-34930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34930?

CVE-2026-34930 primarily affects Trendmicro Apex One. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-34930?

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.

Does CVE-2026-34930 have an EU (EUVD) identifier?

Yes. CVE-2026-34930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31282.

When was CVE-2026-34930 published?

CVE-2026-34930 was published on 2026-05-21 and last updated on 2026-06-17.

CVE-2026-34930

CVE-2026-34930 is a high-severity vulnerability in Trendmicro Apex One 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-346.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31282
Weakness: CWE-346
Affected product: Trendmicro Apex One
Published: 2026-05-21
Last modified: 2026-06-17

Description

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different process protection mechanism. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Frequently asked questions

What is CVE-2026-34930?: An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different process protection mechanism. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
How severe is CVE-2026-34930?: CVE-2026-34930 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-34930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34930?: CVE-2026-34930 primarily affects Trendmicro Apex One. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-34930?: 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.
Does CVE-2026-34930 have an EU (EUVD) identifier?: Yes. CVE-2026-34930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31282.
When was CVE-2026-34930 published?: CVE-2026-34930 was published on 2026-05-21 and last updated on 2026-06-17.

References

https://success.trendmicro.com/en-US/solution/KA-0023430

Affected products (2)

cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:*
cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:*

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