How severe is CVE-2026-5940?

CVE-2026-5940 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-2026-5940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5940?

CVE-2026-5940 primarily affects Foxit Pdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-5940?

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-2026-5940 have an EU (EUVD) identifier?

Yes. CVE-2026-5940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25826.

When was CVE-2026-5940 published?

CVE-2026-5940 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-5940

CVE-2026-5940 is a high-severity vulnerability in Foxit Pdf Editor 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25826
Weakness: CWE-416
Affected product: Foxit Pdf Editor
Published: 2026-04-27
Last modified: 2026-06-17

Description

Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes.

Frequently asked questions

What is CVE-2026-5940?: Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes.
How severe is CVE-2026-5940?: CVE-2026-5940 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-2026-5940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5940?: CVE-2026-5940 primarily affects Foxit Pdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-5940?: 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-2026-5940 have an EU (EUVD) identifier?: Yes. CVE-2026-5940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25826.
When was CVE-2026-5940 published?: CVE-2026-5940 was published on 2026-04-27 and last updated on 2026-06-17.

References

https://www.foxit.com/support/security-bulletins.html

Affected products (2)

cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

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