How severe is CVE-2025-52521?

CVE-2025-52521 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-2025-52521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52521?

CVE-2025-52521 affects Trendmicro Maximum Security 2022. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52521?

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-2025-52521 have an EU (EUVD) identifier?

Yes. CVE-2025-52521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21040.

When was CVE-2025-52521 published?

CVE-2025-52521 was published on 2025-07-10 and last updated on 2026-06-17.

CVE-2025-52521

CVE-2025-52521 is a high-severity vulnerability in Trendmicro Maximum Security 2022 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-64.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21040
Weakness: CWE-64
Affected product: Trendmicro Maximum Security 2022
Published: 2025-07-10
Last modified: 2026-06-17

Description

Trend Micro Security 17.8 (Consumer) is vulnerable to a link following local privilege escalation vulnerability that could allow a local attacker to unintentionally delete privileged Trend Micro files including its own.

Frequently asked questions

What is CVE-2025-52521?: Trend Micro Security 17.8 (Consumer) is vulnerable to a link following local privilege escalation vulnerability that could allow a local attacker to unintentionally delete privileged Trend Micro files including its own.
How severe is CVE-2025-52521?: CVE-2025-52521 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-2025-52521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52521?: CVE-2025-52521 affects Trendmicro Maximum Security 2022. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52521?: 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-2025-52521 have an EU (EUVD) identifier?: Yes. CVE-2025-52521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21040.
When was CVE-2025-52521 published?: CVE-2025-52521 was published on 2025-07-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:maximum_security_2022:17.8:*:*:*:*:*:*:*

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