Is CVE-2026-5937 in the CISA KEV catalog?

No. CVE-2026-5937 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5937?

CVE-2026-5937 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2026-5937?

CVE-2026-5937 has an EPSS score of 0.10% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5937?

Upgrade Foxit PDF Reader to 2026.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2026-5937

MEDIUM

5.5

CVSS v3

NVD

Description

Insufficient parameter verification leads to the occurrence of format errors in files, which will trigger an unhandled "std::invalid_argument" exception, ultimately causing the program to terminate.

CWE-248

How to fix

Remediation Available

Foxit PDF ReaderWindows application

Affected:2026.1.1Fixed in:2026.1.1Foxit Software Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.10%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Vendor Advisory1

foxit.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.