How severe is CVE-2007-1591?

CVE-2007-1591 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-1591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1591?

CVE-2007-1591 affects Trend Micro Trend Micro Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1591?

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-2007-1591 published?

CVE-2007-1591 was published on 2007-03-22 and last updated on 2026-06-16.

CVE-2007-1591

CVE-2007-1591 is a high-severity vulnerability in Trend Micro Trend Micro Antivirus with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Trend Micro Trend Micro Antivirus
Published: 2007-03-22
Last modified: 2026-06-16

Description

VsapiNT.sys in the Scan Engine 8.0 for Trend Micro AntiVirus 14.10.1041, and other products, allows remote attackers to cause a denial of service (kernel fault and system crash) via a crafted UPX file with a certain field that triggers a divide-by-zero error.

Frequently asked questions

What is CVE-2007-1591?: VsapiNT.sys in the Scan Engine 8.0 for Trend Micro AntiVirus 14.10.1041, and other products, allows remote attackers to cause a denial of service (kernel fault and system crash) via a crafted UPX file with a certain field that triggers a divide-by-zero error.
How severe is CVE-2007-1591?: CVE-2007-1591 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-1591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1591?: CVE-2007-1591 affects Trend Micro Trend Micro Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1591?: 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-2007-1591 published?: CVE-2007-1591 was published on 2007-03-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:trend_micro:trend_micro_antivirus:14.10.1041:*:*:*:*:*:*:*

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