How severe is CVE-2024-3459?

CVE-2024-3459 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-3459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3459?

CVE-2024-3459 affects Kioware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-3459?

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-2024-3459 have an EU (EUVD) identifier?

Yes. CVE-2024-3459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32046.

When was CVE-2024-3459 published?

CVE-2024-3459 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2024-3459

CVE-2024-3459 is a high-severity vulnerability in Kioware with a CVSS 3.x base score of 8.4. 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-424.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32046
Weakness: CWE-424
Affected product: Kioware
Published: 2024-05-14
Last modified: 2026-06-17

Description

KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, which then by default are opened in an external PDF viewer. By using built-in functions of that viewer it is possible to launch a web browser, search through local files and, subsequently, launch any program with user privileges.

Frequently asked questions

What is CVE-2024-3459?: KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, which then by default are opened in an external PDF viewer. By using built-in functions of that viewer it is possible to launch a web browser, search through local files and, subsequently, launch any program with user privileges.
How severe is CVE-2024-3459?: CVE-2024-3459 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-3459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3459?: CVE-2024-3459 affects Kioware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-3459?: 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-2024-3459 have an EU (EUVD) identifier?: Yes. CVE-2024-3459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32046.
When was CVE-2024-3459 published?: CVE-2024-3459 was published on 2024-05-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kioware:kioware:*:*:*:*:*:windows:*:*

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